The following is a list of Major League Baseball players, retired or active.
| Name | Debut | Final game | Position | Teams | Ref |
|---|---|---|---|---|---|
| Kila Ka'aihue | September 4, 2008 | First baseman | Kansas City Royals | [1] | |
| Jim Kaat | August 2, 1959 | July 1, 1983 | Pitcher | Washington Senators/Minnesota Twins, Chicago White Sox, Philadelphia Phillies, New York Yankees, St. Louis Cardinals | [2] |
| Jack Kading | September 12, 1910 | May 2, 1914 | First baseman | Pittsburgh Pirates, Chicago Chi-Feds | [3] |
| Jake Kafora | October 5, 1913 | September 7, 1914 | Catcher | Pittsburgh Pirates | [4] |
| Ike Kahdot | September 5, 1922 | September 21, 1922 | Third baseman | Cleveland Indians | [5] |
| Nick Kahl | May 2, 1905 | August 2, 1905 | Second baseman | Cleveland Naps | [6] |
| Bob Kahle | April 21, 1938 | June 22, 1938 | Pinch hitter | Boston Bees | [7] |
| George Kahler | August 13, 1910 | May 4, 1914 | Pitcher | Cleveland Naps | [8] |
| Owen Kahn | May 24, 1930 | May 24, 1930 | Pinch runner | Boston Braves | [9] |
| Mike Kahoe | September 22, 1895 | August 12, 1909 | Catcher | Cincinnati Reds, Chicago Orphans, St. Louis Browns, Philadelphia Phillies, Chicago Cubs, Washington Senators | [10] |
| Don Kainer | September 6, 1980 | October 5, 1980 | Pitcher | Texas Rangers | [11] |
| Al Kaiser | April 18, 1911 | August 30, 1914 | Outfielder | Chicago Cubs, Boston Rustlers, Indianapolis Hoosiers (FL) | [12] |
| Bob Kaiser | September 3, 1971 | September 18, 1971 | Pitcher | Cleveland Indians | [13] |
| Don Kaiser | July 20, 1955 | September 24, 1957 | Pitcher | Chicago Cubs | [14] |
| Jeff Kaiser | April 11, 1985 | May 17, 1993 | Pitcher | Oakland Athletics, Cleveland Indians, Detroit Tigers, Cincinnati Reds, New York Mets | [15] |
| George Kaiserling | April 20, 1914 | October 3, 1915 | Pitcher | Indianapolis Hoosiers (FL)/Newark Peppers | [16] |
| Charlie Kalbfus | April 18, 1884 | April 18, 1884 | Outfielder | Washington Nationals (UA) | [17] |
| Bill Kalfass | September 15, 1937 | October 2, 1937 | Pitcher | Philadelphia Athletics | [18] |
| Frank Kalin | September 25, 1940 | May 6, 1943 | Outfielder | Pittsburgh Pirates, Chicago White Sox | [19] |
| Al Kaline β | June 25, 1953 | October 2, 1974 | Outfielder | Detroit Tigers | [20] |
| Ryan Kalish | July 31, 2010 | Outfielder | Boston Red Sox | [21] | |
| Rudy Kallio | April 25, 1918 | May 12, 1925 | Pitcher | Detroit Tigers, Boston Red Sox | [22] |
| Scott Kamieniecki | June 18, 1991 | October 1, 2000 | Pitcher | New York Yankees, Baltimore Orioles, Cleveland Indians, Atlanta Braves | [23] |
| Willie Kamm | April 18, 1923 | May 21, 1935 | Third baseman | Chicago White Sox, Cleveland Indians | [24] |
| Bob Kammeyer | July 3, 1978 | September 18, 1979 | Pitcher | New York Yankees | [25] |
| Ike Kamp | September 16, 1924 | September 21, 1925 | Pitcher | Boston Braves | [26] |
| Alex Kampouris | July 31, 1934 | September 23, 1943 | Second baseman | Cincinnati Reds, New York Giants, Brooklyn Dodgers, Washington Senators | [27] |
| Frank Kane | September 13, 1915 | April 28, 1919 | Outfielder | Brooklyn Tip-Tops, New York Yankees | [28] |
| Harry Kane | August 8, 1902 | May 5, 1906 | Pitcher | St. Louis Browns, Detroit Tigers, Philadelphia Phillies | [29] |
| Jerry Kane | May 2, 1890 | June 25, 1890 | Utility player | St. Louis Browns | [30] |
| Jim Kane | April 21, 1908 | October 4, 1908 | First baseman | Pittsburgh Pirates | [31] |
| John Kane (OF) | April 11, 1907 | October 15, 1910 | Outfielder | Cincinnati Reds, Chicago Cubs | [32] |
| John Kane (IF) | September 3, 1925 | September 18, 1925 | Utility infielder | Chicago White Sox | [33] |
| Tom Kane | August 3, 1938 | August 13, 1938 | Second baseman | Boston Bees | [34] |
| Rod Kanehl | April 15, 1962 | October 4, 1964 | Utility player | New York Mets | [35] |
| Erv Kantlehner | April 17, 1914 | October 4, 1916 | Pitcher | Pittsburgh Pirates, Philadelphia Phillies | [36] |
| Gabe Kapler | September 20, 1998 | Outfielder | Detroit Tigers, Texas Rangers, Colorado Rockies, Boston Red Sox, Milwaukee Brewers, Tampa Bay Rays | [37] | |
| Heinie Kappel | May 22, 1887 | August 1, 1889 | Utility infielder | Cincinnati Red Stockings (AA), Columbus Solons | [38] |
| Joe Kappel | May 26, 1884 | September 8, 1890 | Utility player | Philadelphia Quakers, Philadelphia Athletics (AA) | [39] |
| Matt Karchner | July 18, 1995 | June 14, 2000 | Pitcher | Chicago White Sox, Chicago Cubs | [40] |
| Paul Kardow | July 1, 1936 | July 4, 1936 | Pitcher | Cleveland Indians | [41] |
| Ed Karger | April 15, 1906 | September 4, 1911 | Pitcher | Pittsburgh Pirates, St. Louis Cardinals, Cincinnati Reds, Boston Red Sox | [42] |
| Ron Karkovice | August 17, 1986 | September 26, 1997 | Catcher | Chicago White Sox | [43] |
| Andy Karl | April 24, 1943 | August 20, 1947 | Pitcher | Boston Red Sox, Philadelphia Phillies, Boston Braves | [44] |
| Scott Karl | May 4, 1995 | September 28, 2000 | Pitcher | Milwaukee Brewers, Colorado Rockies, Anaheim Angels | [45] |
| Bill Karlon | August 28, 1930 | May 12, 1930 | Outfielder | New York Yankees | [46] |
| Bill Karns | August 14, 1901 | September 26, 1901 | Pitcher | Baltimore Orioles | [47] |
| Jason Karnuth | April 20, 2001 | September 28, 2005 | Pitcher | St. Louis Cardinals, Detroit Tigers | [48] |
| Marty Karow | June 21, 1927 | July 4, 1927 | Utility infielder | Boston Red Sox | [49] |
| Ryan Karp | June 23, 1995 | September 27, 1997 | Pitcher | Philadelphia Phillies | [50] |
| Herb Karpel | April 19, 1946 | April 20, 1946 | Pitcher | New York Yankees | [51] |
| Benn Karr | April 20, 1920 | July 3, 1927 | Pitcher | Boston Red Sox, Cleveland Indians | [52] |
| Eric Karros | September 1, 1991 | July 21, 2004 | First baseman | Los Angeles Dodgers, Chicago Cubs, Oakland Athletics | [53] |
| Steve Karsay | August 17, 1993 | June 17, 2006 | Pitcher | Oakland Athletics, Cleveland Indians, Atlanta Braves, New York Yankees, Texas Rangers | [54] |
| John Karst | October 6, 1915 | October 6, 1915 | Third baseman | Brooklyn Robins | [55] |
| Jeff Karstens | August 22, 2006 | Pitcher | New York Yankees, Pittsburgh Pirates | [56] | |
| Takashi Kashiwada | May 1, 1997 | September 18, 1997 | Pitcher | New York Mets | [57] |
| Eddie Kasko | April 18, 1957 | September 10, 1966 | Utility infielder | St. Louis Cardinals, Cincinnati Reds, Houston Colt .45s/Astros, Boston Red Sox | [58] |
| Matt Kata | June 15, 2003 | Second baseman | Arizona Diamondbacks, Philadelphia Phillies, Texas Rangers, Pittsburgh Pirates, Houston Astros | [59] | |
| Jack Katoll | September 9, 1898 | September 29, 1902 | Pitcher | Chicago Cubs, Chicago White Sox, Baltimore Orioles (1901–02) | [60] |
| Ray Katt | September 16, 1952 | July 21, 1959 | Catcher | New York Giants, St. Louis Cardinals | [61] |
| Bob Katz | May 12, 1944 | May 31, 1944 | Pitcher | Cincinnati Reds | [62] |
| Benny Kauff | April 20, 1912 | July 2, 1920 | Outfielder | New York Highlanders, Indianapolis Hoosiers (FL), Brooklyn Tip-Tops, New York Giants | [63] |
| Dick Kauffman | September 17, 1914 | June 12, 1915 | First baseman | St. Louis Browns | [64] |
| Curt Kaufman | September 10, 1982 | September 25, 1984 | Pitcher | New York Yankees, California Angels | [65] |
| Tony Kaufmann | September 23, 1921 | September 23, 1935 | Pitcher | Chicago Cubs, Philadelphia Phillies, St. Louis Cardinals | [66] |
| Charlie Kavanagh | June 11, 1914 | June 28, 1914 | Pinch hitter | Chicago White Sox | [67] |
| Leo Kavanagh | April 22, 1914 | May 2, 1914 | Shortstop | Chicago Chi-Feds | [68] |
| Marty Kavanagh | April 18, 1914 | August 8, 1918 | Second baseman | Detroit Tigers, Cleveland Indians, St. Louis Cardinals | [69] |
| Kenshin Kawakami | April 11, 2009 | Pitcher | Atlanta Braves | [70] | |
| Bill Kay | August 12, 1907 | October 5, 1907 | Outfielder | Washington Senators | [71] |
| Justin Kaye | May 9, 2002 | May 16, 2002 | Pitcher | Seattle Mariners | [72] |
| Eddie Kazak | September 29, 1948 | July 1, 1952 | Third baseman | St. Louis Cardinals, Cincinnati Reds | [73] |
| Ted Kazanski | June 25, 1953 | September 28, 1958 | Utility infielder | Philadelphia Phillies | [74] |
| Sean Kazmar | August 13, 2008 | September 23, 2008 | Shortstop | San Diego Padres | [75] |
| Scott Kazmir | August 23, 2004 | Pitcher | Tampa Bay Devil Rays/Rays, Los Angeles Angels of Anaheim | [76] | |
| Greg Keagle | April 1, 1996 | May 26, 1998 | Pitcher | Detroit Tigers | [77] |
| Steve Kealey | September 9, 1968 | July 8, 1973 | Pitcher | California Angels, Chicago White Sox | [78] |
| Bob Kearney | September 25, 1979 | June 20, 1987 | Catcher | San Francisco Giants, Oakland Athletics, Seattle Mariners | [79] |
| Austin Kearns | April 17, 2002 | Outfielder | Cincinnati Reds, Washington Nationals, Cleveland Indians, New York Yankees | [80] | |
| Teddy Kearns | October 1, 1920 | April 28, 1925 | First baseman | Philadelphia Athletics, Chicago Cubs | [81] |
| Tom Kearns | August 26, 1880 | October 14, 1884 | Second baseman | Buffalo Bisons (NL), Detroit Wolverines | [82] |
| Eddie Kearse | June 13, 1942 | July 5, 1942 | Catcher | New York Yankees | [83] |
| Ed Keas | August 25, 1888 | October 16, 1888 | Pitcher | Cleveland Blues | [84] |
| Bob Keating | August 27, 1887 | August 27, 1887 | Pitcher | Baltimore Orioles (AA) | [85] |
| Chick Keating | September 26, 1913 | September 16, 1926 | Shortstop | Chicago Cubs, Philadelphia Phillies | [86] |
| Ray Keating | September 12, 1912 | September 9, 1919 | Pitcher | New York Highlanders/Yankees, Boston Braves | [87] |
| Greg Keatley | September 27, 1981 | October 5, 1981 | Catcher | Kansas City Royals | [88] |
| Cactus Keck | May 26, 1922 | October 7, 1923 | Pitcher | Cincinnati Reds | [89] |
| Pat Keedy | September 10, 1985 | May 3, 1989 | Third baseman | California Angels, Chicago White Sox, Cleveland Indians | [90] |
| Bobby Keefe | April 15, 1907 | July 26, 1912 | Pitcher | New York Highlanders, Cincinnati Reds | [91] |
| Dave Keefe | April 21, 1917 | August 5, 1922 | Pitcher | Philadelphia Athletics, Cleveland Indians | [92] |
| George Keefe | July 30, 1886 | April 28, 1891 | Pitcher | Washington Nationals (1886–1889), Buffalo Bisons (PL), Washington Statesmen | [93] |
| John Keefe | April 28, 1890 | October 11, 1890 | Pitcher | Syracuse Stars (AA) | [94] |
| Tim Keefe β | August 6, 1880 | August 15, 1893 | Pitcher | Troy Trojans, New York Metropolitans, New York Giants, New York Giants (PL), Philadelphia Phillies | [95] |
| Bob Keegan | May 24, 1953 | July 24, 1958 | Pitcher | Chicago White Sox | [96] |
| Ed Keegan | August 24, 1959 | April 29, 1962 | Pitcher | Philadelphia Phillies, Kansas City Athletics | [97] |
| Willie Keeler β | September 30, 1892 | September 5, 1910 | Outfielder | New York Giants, Brooklyn Grooms, Baltimore Orioles (NL), Brooklyn Superbas, New York Highlanders | [98] |
| Burt Keeley | April 18, 1908 | May 14, 1909 | Pitcher | Washington Senators | [99] |
| Bob Keely | July 25, 1944 | September 29, 1945 | Catcher | St. Louis Cardinals | [100] |
| Bill Keen | August 8, 1911 | October 9, 1911 | First baseman | Pittsburgh Pirates | [101] |
| Vic Keen | August 13, 1918 | September 13, 1927 | Pitcher | Philadelphia Athletics, Chicago Cubs, St. Louis Cardinals | [102] |
| Jim Keenan | May 17, 1875 | October 3, 1891 | Catcher | New Haven Elm Citys, Buffalo Bisons (NL), Pittsburgh Alleghenys, Indianapolis Hoosiers (AA), Cincinnati Red Stockings (AA)/Reds | [103] |
| Jimmie Keenan | September 9, 1920 | July 4, 1921 | Pitcher | Philadelphia Phillies | [104] |
| Kid Keenan | August 11, 1891 | August 11, 1891 | Pitcher | Cincinnati Kelly's Killers | [105] |
| Harry Keener | June 27, 1896 | September 22, 1896 | Pitcher | Philadelphia Phillies | [106] |
| Jeff Keener | June 8, 1982 | September 27, 1983 | Pitcher | St. Louis Cardinals | [107] |
| Joe Keener | September 18, 1976 | September 28, 1976 | Pitcher | Montreal Expos | [108] |
| George Keerl | May 4, 1875 | June 14, 1875 | Second baseman | Chicago White Stockings | [109] |
| Jim Keesey | September 6, 1925 | June 25, 1930 | First baseman | Philadelphia Athletics | [110] |
| Rickey Keeton | May 27, 1980 | August 25, 1981 | Pitcher | Milwaukee Brewers | [111] |
| Frank Keffer | April 19, 1890 | May 3, 1890 | Pitcher | Syracuse Stars (AA) | [112] |
| Chet Kehn | April 30, 1942 | May 12, 1942 | Pitcher | Brooklyn Dodgers | [113] |
| Katsy Keifer | October 8, 1914 | October 8, 1914 | Pitcher | Indianapolis Hoosiers (FL) | [114] |
| Randy Keisler | September 10, 2000 | July 27, 2007 | Pitcher | New York Yankees, San Diego Padres, Cincinnati Reds, Oakland Athletics, St. Louis Cardinals | [115] |
| Bill Keister | May 20, 1896 | August 25, 1903 | Utility player | Baltimore Orioles (NL), Boston Beaneaters, St. Louis Cardinals, Baltimore Orioles (1901–02), Washington Senators, Philadelphia Phillies | [116] |
| Mike Kekich | June 9, 1965 | October 1, 1977 | Pitcher | Los Angeles Dodgers, New York Yankees, Cleveland Indians, Texas Rangers, Seattle Mariners | [117] |
| George Kelb | April 17, 1898 | June 24, 1898 | Pitcher | Cleveland Spiders | [118] |
| Mickey Keliher | September 10, 1911 | May 9, 1912 | First baseman | Pittsburgh Pirates | [119] |
| George Kell β | September 28, 1943 | September 14, 1957 | Third baseman | Philadelphia Athletics, Detroit Tigers, Boston Red Sox, Chicago White Sox, Baltimore Orioles | [120] |
| Skeeter Kell | April 19, 1952 | September 26, 1952 | Second baseman | Philadelphia Athletics | [121] |
| Duke Kelleher | August 18, 1916 | August 18, 1916 | Catcher | New York Giants | [122] |
| Frankie Kelleher | July 18, 1942 | June 14, 1943 | Outfielder | Cincinnati Reds | [123] |
| Hal Kelleher | September 17, 1935 | May 5, 1938 | Pitcher | Philadelphia Phillies | [124] |
| John Kelleher | July 31, 1912 | April 20, 1924 | Third baseman | St. Louis Cardinals, Brooklyn Robins, Chicago Cubs, Boston Braves | [125] |
| Mick Kelleher | September 1, 1972 | October 3, 1982 | Utility infielder | St. Louis Cardinals, Houston Astros, Chicago Cubs, Detroit Tigers, California Angels | [126] |
| Charlie Keller | April 22, 1939 | September 14, 1952 | Outfielder | New York Yankees, Detroit Tigers | [127] |
| Hal Keller | September 13, 1949 | July 28, 1952 | Catcher | Washington Senators | [128] |
| Kris Keller | May 24, 2002 | May 24, 2002 | Pitcher | Detroit Tigers | [129] |
| Ron Keller | July 9, 1966 | September 27, 1968 | Pitcher | Minnesota Twins | [130] |
| Frank Kellert | April 18, 1953 | September 29, 1956 | First baseman | St. Louis Browns/Baltimore Orioles, Brooklyn Dodgers, Chicago Cubs | [131] |
| Al Kellett | June 29, 1923 | August 30, 1924 | Pitcher | Philadelphia Athletics, Boston Red Sox | [132] |
| Red Kellett | July 2, 1934 | September 30, 1934 | Shortstop | Boston Red Sox | [133] |
| Dick Kelley | April 15, 1964 | September 28, 1971 | Pitcher | Milwaukee/Atlanta Braves, San Diego Padres | [134] |
| Harry Kelley | April 16, 1925 | July 23, 1939 | Pitcher | Washington Senators, Philadelphia Athletics | [135] |
| Joe Kelley β | July 27, 1891 | October 3, 1908 | Outfielder | Boston Beaneaters, Pittsburgh Pirates, Baltimore Orioles (NL), Brooklyn Superbas, Baltimore Orioles (1901–02), Cincinnati Reds, Boston Doves | [136] |
| Mike Kelley | July 15, 1899 | October 14, 1899 | First baseman | Louisville Colonels | [137] |
| Shawn Kelley | April 10, 2009 | Pitcher | Seattle Mariners | [138] | |
| Tom Kelley | May 5, 1964 | May 20, 1973 | Pitcher | Cleveland Indians, Atlanta Braves | [139] |
| Frank Kelliher | September 19, 1919 | September 19, 1919 | Pinch hitter | Washington Senators | [140] |
| Alex Kellner | April 29, 1948 | June 23, 1959 | Pitcher | Philadelphia/Kansas City Athletics, Cincinnati Reds, St. Louis Cardinals | [141] |
| Walt Kellner | September 6, 1952 | September 11, 1953 | Pitcher | Philadelphia Athletics | [142] |
| Al Kellogg | September 25, 1908 | October 3, 1908 | Pitcher | Philadelphia Athletics | [143] |
| Bill Kellogg | April 14, 1914 | October 5, 1914 | First baseman | Cincinnati Reds | [144] |
| Nate Kellogg | August 27, 1885 | September 5, 1885 | Shortstop | Detroit Wolverines | [145] |
| Win Kellum | April 26, 1901 | June 16, 1905 | Pitcher | Boston Red Sox, Cincinnati Reds, St. Louis Cardinals | [146] |
| Bill Kelly (OF) | May 4, 1871 | August 29, 1871 | Outfielder | Fort Wayne Kekiongas | [147] |
| Bill Kelly (1B) | September 6, 1920 | May 12, 1928 | First baseman | Philadelphia Athletics, Philadelphia Phillies | [148] |
| Billy Kelly | May 2, 1910 | October 5, 1913 | Catcher | St. Louis Cardinals, Pittsburgh Pirates | [149] |
| Bob Kelly | May 4, 1951 | June 4, 1958 | Pitcher | Chicago Cubs, Cincinnati Reds/Redlegs, Cleveland Indians | [150] |
| Bryan Kelly | September 2, 1986 | May 2, 1987 | Pitcher | Detroit Tigers | [151] |
| Charlie Kelly | June 14, 1883 | June 10, 1886 | Third baseman | Philadelphia Quakers, Philadelphia Athletics (AA) | [152] |
| Don Kelly | April 2, 2007 | Outfielder | Pittsburgh Pirates, Detroit Tigers | [153] | |
| Ed Kelly | April 14, 1914 | April 22, 1914 | Pitcher | Boston Red Sox | [154] |
| George Kelly β | August 18, 1915 | July 27, 1932 | First baseman | New York Giants, Pittsburgh Pirates, Cincinnati Reds, Brooklyn Dodgers | [155] |
| Herb Kelly | September 25, 1914 | September 6, 1915 | Pitcher | Pittsburgh Pirates | [156] |
| Jim Kelly | April 24, 1914 | July 4, 1918 | Outfielder | Pittsburgh Pirates, Pittsburgh Rebels, Boston Braves | [157] |
| Joe Kelly (1910s OF) | April 14, 1914 | May 27, 1919 | Outfielder | Pittsburgh Pirates, Chicago Cubs, Boston Braves | [158] |
| Joe Kelly (1920s OF) | April 13, 1926 | September 25, 1928 | Outfielder | Chicago Cubs | [159] |
| John Kelly (C) | June 7, 1879 | October 19, 1884 | Catcher | Cleveland Blues (NL), Baltimore Orioles (AA), Philadelphia Quakers, Cincinnati Outlaw Reds, Washington Nationals (UA) | [160] |
| John Kelly (OF) | April 11, 1907 | June 18, 1907 | Outfielder | St. Louis Cardinals | [161] |
| Kenny Kelly | September 7, 2000 | October 1, 2005 | Outfielder | Tampa Bay Devil Rays, Cincinnati Reds, Washington Nationals | [162] |
| Kick Kelly | May 1, 1879 | August 7, 1879 | Catcher | Syracuse Stars (NL), Troy Trojans | [163] |
| King Kelly β | May 1, 1878 | September 2, 1893 | Utility player | Cincinnati Reds (1876–1880), Chicago White Stockings, Boston Beaneaters, Boston Reds (1890–91), Cincinnati Kelly's Killers, New York Giants | [164] |
| Mike Kelly (P) | September 3, 1926 | September 16, 1926 | Pitcher | Philadelphia Phillies | [165] |
| Mike Kelly (OF) | April 5, 1994 | April 12, 1999 | Outfielder | Atlanta Braves, Cincinnati Reds, Tampa Bay Devil Rays, Colorado Rockies | [166] |
| Pat Kelly (OF) | September 6, 1967 | October 4, 1981 | Outfielder | Minnesota Twins, Kansas City Royals, Chicago White Sox, Baltimore Orioles, Cleveland Indians | [167] |
| Pat Kelly (C) | May 28, 1980 | June 3, 1980 | Catcher | Toronto Blue Jays | [168] |
| Pat Kelly (IF) | May 20, 1991 | June 5, 1999 | Second baseman | New York Yankees, St. Louis Cardinals, Toronto Blue Jays | [169] |
| Red Kelly | June 18, 1910 | August 6, 1910 | Outfielder | Chicago White Sox | [170] |
| Ren Kelly | September 18, 1923 | September 18, 1923 | Pitcher | Philadelphia Athletics | [171] |
| Roberto Kelly | July 29, 1987 | April 18, 2000 | Outfielder | New York Yankees, Cincinnati Reds, Atlanta Braves, Montreal Expos, Los Angeles Dodgers, Minnesota Twins, Seattle Mariners, Texas Rangers | [172] |
| Speed Kelly | July 13, 1909 | October 1, 1909 | Third baseman | Washington Senators | [173] |
| Tom Kelly | May 11, 1975 | July 11, 1975 | First baseman | Minnesota Twins | [174] |
| Van Kelly | June 13, 1969 | June 12, 1970 | Third baseman | San Diego Padres | [175] |
| Billy Kelsey | October 4, 1907 | October 6, 1907 | Catcher | Pittsburgh Pirates | [176] |
| Bill Kelso | July 31, 1964 | September 28, 1968 | Pitcher | Los Angeles/California Angels, Cincinnati Reds | [177] |
| Ken Keltner | October 2, 1937 | May 25, 1950 | Third baseman | Cleveland Indians, Boston Red Sox | [178] |
| David Kelton | June 8, 2003 | June 10, 2004 | Outfielder | Chicago Cubs | [179] |
| John Kelty | April 19, 1890 | July 12, 1890 | Outfielder | Pittsburgh Pirates | [180] |
| Bill Kemmer | June 3, 1895 | June 18, 1895 | Third baseman | Louisville Colonels | [181] |
| Russ Kemmerer | June 27, 1954 | June 23, 1963 | Pitcher | Boston Red Sox, Washington Senators, Chicago White Sox, Houston Colt .45s | [182] |
| Rudy Kemmler | July 26, 1879 | August 11, 1889 | Catcher | Providence Grays, Cleveland Blues (NL), Cincinnati Red Stockings (AA), Pittsburgh Alleghenys, Columbus Buckeyes, St. Louis Browns (AA), Columbus Solons | [183] |
| Dutch Kemner | April 19, 1929 | June 8, 1929 | Pitcher | Cincinnati Reds | [184] |
| Matt Kemp | May 28, 2006 | Outfielder | Los Angeles Dodgers | [185] | |
| Steve Kemp | April 7, 1977 | May 24, 1988 | Outfielder | Detroit Tigers, Chicago White Sox, New York Yankees, Pittsburgh Pirates, Texas Rangers | [186] |
| Fred Kendall | September 8, 1969 | August 10, 1980 | Catcher | San Diego Padres, Cleveland Indians, Boston Red Sox | [187] |
| Jason Kendall | April 1, 1996 | August 30, 2010 | Catcher | Pittsburgh Pirates, Oakland Athletics, Chicago Cubs, Milwaukee Brewers, Kansas City Royals | [188] |
| Al Kenders | August 14, 1961 | September 25, 1961 | Catcher | Philadelphia Phillies | [189] |
| Howie Kendrick | April 26, 2006 | Second baseman | Los Angeles Angels of Anaheim | [190] | |
| Kyle Kendrick | June 13, 2007 | Pitcher | Philadelphia Phillies | [191] | |
| Ed Kenna | May 5, 1902 | May 9, 1902 | Pitcher | Philadelphia Athletics | [192] |
| Eddie Kenna | June 2, 1928 | September 5, 1928 | Catcher | Washington Senators | [193] |
| Adam Kennedy | August 21, 1999 | Second baseman | St. Louis Cardinals, Anaheim Angels/Los Angeles Angels of Anaheim, Oakland Athletics, Washington Nationals, Seattle Mariners | [194] | |
| Bill Kennedy (1942–47 P) | May 1, 1942 | September 26, 1947 | Pitcher | Washington Senators | [195] |
| Bill Kennedy (1948–57 P) | April 26, 1948 | September 29, 1957 | Pitcher | Cleveland Indians, St. Louis Browns, Chicago White Sox, Boston Red Sox, Cincinnati Reds | [196] |
| Bob Kennedy | September 14, 1939 | September 29, 1957 | Utility player | Chicago White Sox, Cleveland Indians, Baltimore Orioles, Detroit Tigers, Brooklyn Dodgers | [197] |
| Brickyard Kennedy | April 26, 1892 | September 26, 1903 | Pitcher | Brooklyn Grooms/Bridegrooms/Superbas, New York Giants, Pittsburgh Pirates | [198] |
| Doc Kennedy | May 1, 1879 | July 6, 1883 | Catcher | Cleveland Blues (NL), Buffalo Bisons (NL) | [199] |
| Ed Kennedy (OF) | May 1, 1883 | August 25, 1886 | Outfielder | New York Metropolitans, Brooklyn Grays | [200] |
| Ed Kennedy (IF) | May 17, 1884 | August 1, 1884 | Third baseman | Cincinnati Outlaw Reds | [201] |
| Ian Kennedy | September 1, 2007 | Pitcher | New York Yankees, Arizona Diamondbacks | [202] | |
| Jim Kennedy | June 14, 1970 | July 9, 1970 | Utility infielder | St. Louis Cardinals | [203] |
| Joe Kennedy | June 6, 2001 | September 29, 2007 | Pitcher | Tampa Bay Devil Rays, Colorado Rockies, Oakland Athletics, Arizona Diamondbacks, Toronto Blue Jays | [204] |
| John Kennedy (SS) | April 22, 1957 | May 3, 1957 | Shortstop | Philadelphia Phillies | [205] |
| John Kennedy (3B) | September 5, 1962 | June 16, 1974 | Third baseman | Washington Senators (1961–71), Los Angeles Dodgers, New York Yankees, Seattle Pilots/Milwaukee Brewers, Boston Red Sox | [206] |
| Junior Kennedy | August 9, 1974 | July 17, 1983 | Second baseman | Cincinnati Reds, Chicago Cubs | [207] |
| Monte Kennedy | April 18, 1946 | September 12, 1953 | Pitcher | New York Giants | [208] |
| Ray Kennedy | September 8, 1916 | September 8, 1916 | Pinch hitter | St. Louis Browns | [209] |
| Snapper Kennedy | May 1, 1902 | May 1, 1902 | Outfielder | Chicago Cubs | [210] |
| Ted Kennedy | June 12, 1885 | September 23, 1886 | Pitcher | Chicago White Stockings, Philadelphia Athletics, Louisville Colonels | [211] |
| Terry Kennedy | September 4, 1978 | October 6, 1991 | Catcher | St. Louis Cardinals, San Diego Padres, Baltimore Orioles, San Francisco Giants | [212] |
| Vern Kennedy | September 18, 1934 | September 27, 1945 | Pitcher | Chicago White Sox, Detroit Tigers, St. Louis Browns, Washington Senators, Cleveland Indians, Philadelphia Phillies, Cincinnati Reds | [213] |
| Art Kenney | July 1, 1948 | July 4, 1948 | Pitcher | Boston Bees | [214] |
| Jerry Kenney | September 5, 1967 | April 19, 1973 | Third baseman | New York Yankees, Cleveland Indians | [215] |
| John Kenney | May 2, 1872 | May 20, 1872 | Utility infielder | Brooklyn Atlantics | [216] |
| Logan Kensing | September 10, 2004 | Pitcher | Florida Marlins, Washington Nationals | [217] | |
| Ed Kent | August 14, 1884 | August 14, 1884 | Pitcher | Toledo Blue Stockings | [218] |
| Jeff Kent | April 12, 1992 | September 27, 2008 | Second baseman | Toronto Blue Jays, New York Mets, Cleveland Indians, San Francisco Giants, Houston Astros, Los Angeles Dodgers | [219] |
| Maury Kent | April 15, 1912 | July 18, 1913 | Pitcher | Brooklyn Dodgers/Superbas | [220] |
| Steve Kent | April 4, 2002 | September 22, 2002 | Pitcher | Tampa Bay Devil Rays | [221] |
| Bill Kenworthy | August 28, 1912 | May 8, 1917 | Second baseman | Washington Senators, Kansas City Packers, St. Louis Browns | [222] |
| Dick Kenworthy | September 8, 1962 | September 29, 1968 | Third baseman | Chicago White Sox | [223] |
| Joe Keough | August 7, 1968 | July 26, 1973 | Outfielder | Oakland Athletics, Kansas City Royals, Chicago White Sox | [224] |
| Marty Keough | April 21, 1956 | September 16, 1966 | Outfielder | Boston Red Sox, Cleveland Indians, Washington Senators (1961–71), Cincinnati Reds, Atlanta Braves, Chicago Cubs | [225] |
| Matt Keough | September 3, 1977 | October 2, 1986 | Pitcher | Oakland Athletics, New York Yankees, St. Louis Cardinals, Chicago Cubs, Houston Astros | [226] |
| Bobby Keppel | May 25, 2006 | Pitcher | Kansas City Royals, Colorado Rockies, Minnesota Twins | [227] | |
| Jeff Keppinger | August 20, 2004 | Utility infielder | New York Mets, Kansas City Royals, Cincinnati Reds, Houston Astros, San Francisco Giants | [228] | |
| Kurt Kepshire | July 4, 1984 | April 23, 1986 | Pitcher | St. Louis Cardinals | [229] |
| Charlie Kerfeld | July 27, 1985 | July 19, 1990 | Pitcher | Houston Astros, Atlanta Braves | [230] |
| Gus Keriazakos | October 1, 1950 | September 23, 1955 | Pitcher | Chicago White Sox, Washington Senators, Kansas City Athletics | [231] |
| John Kerins | May 1, 1884 | June 15, 1890 | First baseman | Indianapolis Hoosiers (AA), Louisville Colonels, Baltimore Orioles (AA), St. Louis Browns (AA) | [232] |
| Bill Kerksieck | June 21, 1939 | September 24, 1939 | Pitcher | Philadelphia Phillies | [233] |
| Orie Kerlin | June 6, 1915 | September 1, 1915 | Catcher | Pittsburgh Rebels | [234] |
| Bill Kern | September 19, 1962 | September 30, 1962 | Outfielder | Kansas City Athletics | [235] |
| Jim Kern | September 6, 1974 | May 30, 1986 | Pitcher | Cleveland Indians, Texas Rangers, Cincinnati Reds, Chicago White Sox, Philadelphia Phillies, Milwaukee Brewers | [236] |
| Joe Kernan | April 14, 1873 | April 15, 1873 | Utility player | Baltimore Marylands | [237] |
| George Kernek | September 5, 1965 | May 8, 1966 | First baseman | St. Louis Cardinals | [238] |
| Russ Kerns | August 18, 1945 | August 18, 1945 | Pinch hitter | Detroit Tigers | [239] |
| Buddy Kerr | September 8, 1943 | September 30, 1951 | Shortstop | New York Giants, Boston Braves | [240] |
| Dickey Kerr | April 25, 1919 | October 4, 1925 | Pitcher | Chicago White Sox | [241] |
| Doc Kerr | April 22, 1914 | August 26, 1915 | Catcher | Pittsburgh Rebels, Baltimore Terrapins | [242] |
| John Kerr | May 1, 1923 | September 30, 1934 | Second baseman | Detroit Tigers, Chicago White Sox, Washington Senators | [243] |
| Mel Kerr | September 16, 1925 | September 16, 1925 | Pinch runner | Chicago Cubs | [244] |
| Joe Kerrigan | July 9, 1976 | April 12, 1980 | Pitcher | Montreal Expos, Baltimore Orioles | [245] |
| Clayton Kershaw | May 25, 2008 | Pitcher | Los Angeles Dodgers | [246] | |
| Jason Kershner | July 25, 2002 | June 16, 2004 | Pitcher | San Diego Padres, Toronto Blue Jays | [247] |
| Dan Kerwin | September 27, 1903 | September 27, 1903 | Outfielder | Cincinnati Reds | [248] |
| Don Kessinger | September 7, 1964 | July 31, 1979 | Shortstop | Chicago Cubs, St. Louis Cardinals, Chicago White Sox | [249] |
| Keith Kessinger | September 15, 1993 | October 3, 1993 | Shortstop | Cincinnati Reds | [250] |
| Henry Kessler | August 4, 1873 | June 16, 1877 | Shortstop | Brooklyn Atlantics, Cincinnati Reds (1876–1880) | [251] |
| Rick Kester | August 18, 1968 | September 27, 1970 | Pitcher | Atlanta Braves | [252] |
| Fred Ketcham | September 12, 1899 | May 4, 1901 | Outfielder | Louisville Colonels, Philadelphia Athletics | [253] |
| Gus Ketchum | August 7, 1922 | September 28, 1922 | Pitcher | Philadelphia Athletics | [254] |
| Phil Ketter | May 23, 1912 | May 25, 1912 | Catcher | St. Louis Browns | [255] |
| Henry Keupper | April 19, 1914 | October 6, 1914 | Pitcher | St. Louis Terriers | [256] |
| Jimmy Key | April 6, 1984 | September 20, 1998 | Pitcher | Toronto Blue Jays, New York Yankees, Baltimore Orioles | [257] |
| Brian Keyser | June 2, 1995 | September 29, 1996 | Pitcher | Chicago White Sox | [258] |
| Sam Khalifa | June 25, 1985 | July 31, 1987 | Shortstop | Pittsburgh Pirates | [259] |
| Hod Kibbie | June 13, 1925 | June 24, 1925 | Second baseman | Boston Braves | [260] |
| Jack Kibble | September 10, 1912 | September 27, 1912 | Third baseman | Cleveland Naps | [261] |
| Masao Kida | April 5, 1999 | August 3, 2005 | Pitcher | Detroit Tigers, Los Angeles Dodgers, Seattle Mariners | [262] |
| Dana Kiecker | April 12, 1990 | October 1, 1991 | Pitcher | Boston Red Sox | [263] |
| Joe Kiefer | October 1, 1920 | May 25, 1926 | Pitcher | Chicago White Sox, Boston Red Sox | [264] |
| Mark Kiefer | September 20, 1993 | April 27, 1996 | Pitcher | Milwaukee Brewers | [265] |
| Steve Kiefer | September 3, 1984 | August 22, 1989 | Third baseman | Oakland Athletics, Milwaukee Brewers, New York Yankees | [266] |
| Bobby Kielty | April 10, 2001 | September 30, 2007 | Outfielder | Minnesota Twins, Toronto Blue Jays, Oakland Athletics, Boston Red Sox | [267] |
| John Kiely | July 26, 1991 | May 2, 1993 | Pitcher | Detroit Tigers | [268] |
| Leo Kiely | June 27, 1951 | June 20, 1960 | Pitcher | Boston Red Sox, Kansas City Athletics | [269] |
| Bill Kienzle | September 15, 1882 | August 7, 1884 | Outfielder | Philadelphia Athletics (AA), Philadelphia Keystones | [270] |
| Brooks Kieschnick | April 3, 1996 | October 3, 2004 | Utility player | Chicago Cubs, Cincinnati Reds, Colorado Rockies, Milwaukee Brewers | [263] |
| Mark Kiger | October 13, 2006 | October 14, 2006 | Pinch runner | Oakland Athletics | [271] |
| Brad Kilby | September 2, 2009 | Pitcher | Oakland Athletics | [272] | |
| Pete Kilduff | April 18, 1917 | September 28, 1921 | Second baseman | New York Giants, Chicago Cubs, Brooklyn Robins | [273] |
| Darryl Kile | April 8, 1991 | June 18, 2002 | Pitcher | Houston Astros, Colorado Rockies, St. Louis Cardinals | [274] |
| John Kiley | May 1, 1884 | May 7, 1891 | Outfielder | Washington Nationals (AA), Boston Beaneaters | [275] |
| Paul Kilgus | June 7, 1987 | October 3, 1993 | Pitcher | Texas Rangers, Chicago Cubs, Toronto Blue Jays, Baltimore Orioles, St. Louis Cardinals | [276] |
| Pat Kilhullen | June 10, 1914 | June 10, 1914 | Catcher | Pittsburgh Pirates | [277] |
| Mike Kilkenny | April 11, 1969 | May 6, 1973 | Pitcher | Detroit Tigers, Oakland Athletics, San Diego Padres, Cleveland Indians | [278] |
| Harmon Killebrew β | June 23, 1954 | September 26, 1975 | Utility player | Washington Senators/Minnesota Twins, Kansas City Royals | [279] |
| Evans Killeen | September 7, 1959 | September 25, 1959 | Pitcher | Kansas City Athletics | [280] |
| Henry Killeen | September 11, 1891 | September 11, 1891 | Pitcher | Cleveland Spiders | [281] |
| Bill Killefer | September 13, 1909 | October 1, 1921 | Catcher | St. Louis Browns, Philadelphia Phillies, Chicago Cubs | [282] |
| Red Killefer | September 16, 1907 | August 19, 1916 | Outfielder | Detroit Tigers, Washington Senators, Cincinnati Reds, New York Giants | [283] |
| Frank Killen | August 27, 1891 | June 27, 1900 | Pitcher | Milwaukee Brewers (AA), Washington Senators (NL), Pittsburgh Pirates, Boston Beaneaters, Chicago Orphans | [284] |
| Ed Killian | August 25, 1903 | July 15, 1910 | Pitcher | Cleveland Naps, Detroit Tigers | [285] |
| Jack Killilay | May 13, 1911 | September 22, 1911 | Pitcher | Boston Red Sox | [286] |
| Matt Kilroy | April 17, 1886 | August 17, 1898 | Pitcher | Baltimore Orioles (AA), Boston Reds (1890–91), Cincinnati Kelly's Killers, Washington Senators (NL), Louisville Colonels, Chicago Orphans | [287] |
| Mike Kilroy | September 1, 1888 | May 1, 1891 | Pitcher | Baltimore Orioles (AA), Philadelphia Phillies | [288] |
| Byung-hyun Kim | May 29, 1999 | September 28, 2007 | Pitcher | Arizona Diamondbacks, Boston Red Sox, Colorado Rockies, Florida Marlins | [289] |
| Sun-Woo Kim | June 15, 2001 | September 17, 2006 | Pitcher | Boston Red Sox, Montreal Expos/Washington Nationals, Colorado Rockies, Cincinnati Reds | [290] |
| Cole Kimball | May 14, 2011 | Pitcher | Washington Nationals | [291] | |
| Gene Kimball | May 4, 1871 | September 27, 1871 | Second baseman | Cleveland Forest Citys | [292] |
| Newt Kimball | May 7, 1937 | September 23, 1943 | Pitcher | Chicago Cubs, Brooklyn Dodgers, St. Louis Cardinals, Philadelphia Phillies | [293] |
| Sam Kimber | May 1, 1884 | September 29, 1885 | Pitcher | Brooklyn Atlantics (AA), Providence Grays | [294] |
| Harry Kimberlin | July 11, 1936 | June 24, 1939 | Pitcher | St. Louis Browns | [295] |
| Dick Kimble | August 20, 1945 | September 18, 1945 | Shortstop | Washington Senators | [296] |
| Craig Kimbrel | May 7, 2010 | Pitcher | Atlanta Braves | [297] | |
| Hal Kime | June 19, 1920 | July 27, 1920 | Pitcher | St. Louis Cardinals | [298] |
| Bruce Kimm | May 4, 1976 | September 19, 1980 | Catcher | Detroit Tigers, Chicago Cubs, Chicago White Sox | [299] |
| Wally Kimmick | September 13, 1919 | June 12, 1926 | Utility infielder | St. Louis Cardinals, Cincinnati Reds, Philadelphia Phillies | [300] |
| Chad Kimsey | April 21, 1929 | July 29, 1936 | Pitcher | St. Louis Browns, Chicago White Sox, Detroit Tigers | [301] |
| Jerry Kindall | July 1, 1956 | October 2, 1965 | Second baseman | Chicago Cubs, Cleveland Indians, Minnesota Twins | [302] |
| Ellis Kinder | April 30, 1946 | May 8, 1957 | Pitcher | St. Louis Browns, Boston Red Sox, St. Louis Cardinals, Chicago White Sox | [303] |
| Ralph Kiner β | April 16, 1946 | September 25, 1955 | Outfielder | Pittsburgh Pirates, Chicago Cubs, Cleveland Indians | [304] |
| Chick King | August 27, 1954 | May 30, 1959 | Outfielder | Detroit Tigers, Chicago Cubs, St. Louis Cardinals | [305] |
| Clyde King | June 21, 1944 | September 27, 1953 | Pitcher | Brooklyn Dodgers, Cincinnati Reds | [306] |
| Curtis King | August 1, 1997 | June 20, 1999 | Pitcher | St. Louis Cardinals | [307] |
| Eric King | May 15, 1986 | October 4, 1992 | Pitcher | Detroit Tigers, Chicago White Sox, Cleveland Indians | [308] |
| Hal King | September 6, 1967 | October 1, 1974 | Catcher | Houston Astros, Atlanta Braves, Texas Rangers, Cincinnati Reds | [309] |
| Jeff King | June 2, 1989 | May 21, 1999 | Utility infielder | Pittsburgh Pirates, Kansas City Royals | [310] |
| Jim King | April 17, 1955 | September 24, 1967 | Outfielder | Chicago Cubs, St. Louis Cardinals, San Francisco Giants, Washington Senators (1961–71), Chicago White Sox, Cleveland Indians | [311] |
| Kevin King | September 2, 1993 | May 14, 1995 | Pitcher | Seattle Mariners | [312] |
| Lee King (OF born 1892) | June 24, 1916 | April 28, 1919 | Outfielder | Philadelphia Athletics, Boston Braves | [313] |
| Lee King (OF born 1894) | September 20, 1916 | October 1, 1922 | Outfielder | Pittsburgh Pirates, New York Giants, Philadelphia Phillies | [314] |
| Lynn King | September 21, 1935 | September 30, 1939 | Outfielder | St. Louis Cardinals | [315] |
| Marshall King | May 7, 1871 | June 17, 1872 | Utility player | Chicago White Stockings, Troy Haymakers | [316] |
| Nellie King | April 15, 1954 | September 15, 1957 | Pitcher | Pittsburgh Pirates | [317] |
| Ray King | May 21, 1999 | April 23, 2008 | Pitcher | Chicago Cubs, Milwaukee Brewers, Atlanta Braves, St. Louis Cardinals, Colorado Rockies, Washington Nationals | [318] |
| Sam King | May 1, 1884 | May 23, 1884 | First baseman | Washington Nationals (AA) | [319] |
| Silver King | September 28, 1884 | August 19, 1897 | Pitcher | Kansas City Cowboys (NL), St. Louis Browns (AA), Chicago Pirates, Pittsburgh Pirates, New York Giants, Cincinnati Reds, Washington Senators (NL) | [320] |
| Steve King | May 9, 1871 | July 23, 1872 | Outfielder | Troy Haymakers | [321] |
| Wes Kingdon | June 12, 1932 | August 4, 1932 | Third baseman | Washington Senators | [322] |
| Mike Kingery | July 7, 1986 | September 15, 1996 | Outfielder | Kansas City Royals, Seattle Royals, San Francisco Giants, Oakland Athletics, Colorado Rockies, Pittsburgh Pirates | [323] |
| Brian Kingman | June 28, 1979 | June 10, 1983 | Pitcher | Oakland Athletics, San Francisco Giants | [324] |
| Dave Kingman | July 30, 1971 | October 5, 1986 | Utility player | San Francisco Giants, New York Mets, San Diego Padres, California Angels, New York Yankees, Chicago Cubs, Oakland Athletics | [325] |
| Harry Kingman | July 1, 1914 | August 20, 1914 | First baseman | New York Yankees | [326] |
| Gene Kingsale | September 3, 1996 | June 8, 2003 | Outfielder | Baltimore Orioles, Seattle Mariners, San Diego Padres, Detroit Tigers | [327] |
| Mike Kinkade | September 8, 1998 | September 28, 2003 | Outfielder | New York Mets, Baltimore Orioles, Los Angeles Dodgers | [328] |
| Billy Kinloch | August 1, 1895 | August 1, 1895 | Third baseman | St. Louis Browns (NL) | [329] |
| Dennis Kinney | April 9, 1978 | May 20, 1982 | Pitcher | Cleveland Indians, San Diego Padres, Detroit Tigers, Oakland Athletics | [330] |
| Josh Kinney | July 3, 2006 | Pitcher | St. Louis Cardinals, Chicago White Sox | [331] | |
| Matt Kinney | August 18, 2000 | September 28, 2005 | Pitcher | Minnesota Twins, Milwaukee Brewers, Kansas City Royals, San Francisco Giants | [332] |
| Walt Kinney | July 26, 1918 | May 9, 1923 | Pitcher | Boston Red Sox, Philadelphia Athletics | [333] |
| Mike Kinnunen | June 12, 1980 | October 3, 1987 | Pitcher | Minnesota Twins, Baltimore Orioles | [334] |
| Bob Kinsella | September 20, 1919 | October 2, 1920 | Outfielder | New York Giants | [335] |
| Ed Kinsella | September 16, 1905 | August 10, 1910 | Pitcher | Pittsburgh Pirates, St. Louis Browns | [336] |
| Ian Kinsler | April 3, 2006 | Second baseman | Texas Rangers | [337] | |
| William Kinsler | June 8, 1893 | June 8, 1893 | Outfielder | New York Giants | [338] |
| Tom Kinslow | June 4, 1886 | September 3, 1898 | Catcher | Washington Nationals (1886–1889), New York Metropolitans, Brooklyn Ward's Wonders, Brooklyn Grooms, Pittsburgh Pirates, Louisville Colonels, Washington Senators (NL), St. Louis Browns (NL) | [339] |
| Brandon Kintzler | September 10, 2010 | Pitcher | Milwaukee Brewers | [340] | |
| Matt Kinzer | May 18, 1989 | May 26, 1990 | Pitcher | St. Louis Cardinals, Detroit Tigers | [341] |
| Walt Kinzie | July 17, 1882 | September 9, 1884 | Shortstop | Detroit Wolverines, Chicago White Stockings, St. Louis Browns (AA) | [342] |
| Harry Kinzy | June 8, 1934 | September 26, 1934 | Pitcher | Chicago White Sox | [343] |
| Jason Kipnis | July 22, 2011 | Second baseman | Cleveland Indians | [344] | |
| Fred Kipp | September 10, 1957 | May 8, 1960 | Pitcher | Brooklyn/Los Angeles Dodgers, New York Yankees | [345] |
| Bob Kipper | April 12, 1985 | July 27, 1992 | Pitcher | California Angels, Pittsburgh Pirates, Minnesota Twins | [346] |
| Thornton Kipper | June 7, 1953 | July 17, 1955 | Pitcher | Philadelphia Phillies | [347] |
| Ed Kippert | April 14, 1914 | April 19, 1914 | Outfielder | Cincinnati Reds | [348] |
| Clay Kirby | April 11, 1969 | September 28, 1976 | Pitcher | San Diego Padres, Cincinnati Reds, Montreal Expos | [349] |
| Jim Kirby | May 1, 1949 | May 13, 1949 | Pinch hitter | Chicago Cubs | [350] |
| John Kirby | August 1, 1884 | June 29, 1888 | Pitcher | Kansas City Cowboys (UA), St. Louis Maroons/Indianapolis Hoosiers (NL), Cleveland Blues (AA), Kansas City Cowboys (AA) | [351] |
| LaRue Kirby | August 7, 1912 | September 14, 1915 | Outfielder | New York Giants, St. Louis Terriers | [352] |
| Wayne Kirby | September 12, 1991 | July 17, 1998 | Outfielder | Cleveland Indians, Los Angeles Dodgers, New York Mets | [353] |
| Mike Kircher | August 8, 1919 | April 18, 1921 | Pitcher | Philadelphia Athletics, St. Louis Cardinals | [349] |
| Bill Kirk | September 23, 1961 | September 23, 1961 | Pitcher | Kansas City Royals | [354] |
| Tom Kirk | June 24, 1947 | June 24, 1947 | Pinch hitter | Philadelphia Athletics | [355] |
| Jay Kirke | September 28, 1910 | September 2, 1918 | Utility player | Detroit Tigers, Boston Rustlers/Braves, Cleveland Naps/Indians, New York Giants | [356] |
| Willie Kirkland | April 15, 1958 | September 26, 1966 | Outfielder | San Francisco Giants, Cleveland Indians, Baltimore Orioles, Washington Senators (1961–71) | [357] |
| Michael Kirkman | August 21, 2010 | Pitcher | Texas Rangers | [358] | |
| Ed Kirkpatrick | September 13, 1962 | October 2, 1977 | Utility player | Los Angeles/California Angels, Kansas City Royals, Pittsburgh Pirates, Texas Rangers, Milwaukee Brewers | [359] |
| Enos Kirkpatrick | August 24, 1912 | September 16, 1915 | Third baseman | Brooklyn Dodgers/Superbas, Baltimore Terrapins | [360] |
| Don Kirkwood | September 13, 1974 | October 1, 1978 | Pitcher | California Angels, Chicago White Sox, Toronto Blue Jays | [361] |
| Joe Kirrene | October 1, 1950 | September 25, 1954 | Third baseman | Chicago White Sox | [362] |
| Harry Kirsch | April 16, 1910 | April 28, 1910 | Pitcher | Cleveland Naps | [363] |
| Garland Kiser | September 9, 1991 | October 6, 1991 | Pitcher | Cleveland Indians | [364] |
| Ernie Kish | July 29, 1945 | September 23, 1945 | Outfielder | Philadelphia Athletics | [365] |
| Rube Kisinger | September 10, 1902 | September 24, 1903 | Pitcher | Detroit Tigers | [366] |
| Bruce Kison | July 4, 1971 | October 5, 1985 | Pitcher | Pittsburgh Pirates, California Angels, Boston Red Sox | [367] |
| Bill Kissinger | May 30, 1895 | June 10, 1987 | Pitcher | Baltimore Orioles (NL), St. Louis Browns (NL) | [368] |
| Frank Kitson | May 19, 1898 | July 22, 1907 | Pitcher | Baltimore Orioles (NL), Brooklyn Superbas, Detroit Tigers, Washington Senators, New York Highlanders | [369] |
| Chris Kitsos | April 21, 1954 | April 21, 1954 | Shortstop | Chicago Cubs | [370] |
| Ron Kittle | September 2, 1982 | August 13, 1991 | Outfielder | Chicago White Sox, New York Yankees, Cleveland Indians, Baltimore Orioles | [371] |
| Malachi Kittridge | April 19, 1890 | August 8, 1906 | Catcher | Chicago Colts, Louisville Colonels, Washington Senators (NL), Boston Beaneaters, Washington Senators, Cleveland naps | [372] |