Jesús Manuel Marcano Trillo, nicknamed "Indio", is a Venezuelan former professional baseball second baseman, who played in Major League Baseball (MLB) for the Oakland Athletics (1973–1974), Chicago Cubs, Philadelphia Phillies (1979–1982), Cleveland Indians (1983), Montreal Expos (1983), San Francisco Giants (1984–1985), and Cincinnati Reds (1989). A four-time All-Star, he was the Phillies' starting second baseman when the franchise won its first World Series Championship in 1980. He was known as one of the best fielding second basemen of his era, with a strong throwing arm.
Roberto Muñoz Rodríguez was a Venezuelan professional baseball pitcher. He played in Major League Baseball (MLB) for the Kansas City / Oakland Athletics, San Diego Padres, and Chicago Cubs. He played in the United States under the name of Roberto Rodriguez.
Michael Kelvin Norris is an American former professional baseball pitcher. He played in Major League Baseball for the Oakland Athletics from 1975 to 1983 and in 1990. Norris is a two-time Gold Glove Award winner and he was an MLB All-Star in 1981.
Víctor José Davalillo Romero was a Venezuelan professional baseball player. He played in Major League Baseball (MLB) and the Mexican League as an outfielder from 1963 to 1982.
Adam Michael Melhuse is an American former professional baseball catcher. He played in Major League Baseball (MLB) for the Los Angeles Dodgers, Colorado Rockies, Oakland Athletics and Texas Rangers. He was the hitting coach for the Detroit Tigers AAA Toledo Mud Hens.
Diego Pablo Seguí González[say-gee] is a Cuban former professional baseball player. He played in Major League Baseball (MLB) as a right-handed pitcher for the Kansas City / Oakland Athletics, Washington Senators, Seattle Pilots, St. Louis Cardinals, Boston Red Sox. and Seattle Mariners. Seguí was a forkball specialist who was the 1970 American League ERA leader.
Michael Thomas Morgan is an American former right-handed pitcher in Major League Baseball. He played for 12 different teams over 25 years, and is one of 31 players in baseball history to appear in Major League baseball games in four decades (1978–2002). Upon his retirement, Morgan held the major league record for most major league teams played for (12), but this record was surpassed by Octavio Dotel in 2012 and Edwin Jackson in 2018. Because of this, Morgan was nicknamed "the Nomad" by his teammates due to his constant travel from team to team.
Frederick Wayne Honeycutt, nicknamed "Honey", is an American former professional baseball coach and pitcher. Honeycutt pitched in Major League Baseball (MLB) for six different teams over 21 years, from 1977 to 1997. He pitched in 30 post-season games, including 20 League Championship Series games and seven World Series games, and never lost a game, going 3–0. Honeycutt gave up no runs in the 1988 and 1990 post-seasons, and was a member of the Oakland Athletics' 1989 World Series championship team. He was also the pitching coach for the Los Angeles Dodgers from 2006 through 2019.
Paul Aaron Lindblad was an American Major League Baseball left-handed middle-relief pitcher. During his career, he pitched primarily for the Kansas City / Oakland Athletics. At the time of his retirement in 1978, he had recorded the seventh-most appearances (655) of any left-hander in history.
Ariel Prieto is a Cuban former professional baseball pitcher. He played in Major League Baseball (MLB) from 1995 to 2001 for the Oakland Athletics and Tampa Bay Devil Rays. He is currently the pitching coach for the GCL Mets.
James Harold Umbarger is an American former professional baseball pitcher. He attended Grant High School in Van Nuys, California, and was the 33rd pick in the 1971 Major League Baseball draft by the Cleveland Indians, but opted to attend Arizona State University. In 1974, The Sporting News named Umbarger as honorable mention on the All-America team. He was later selected in the 16th round of the 1974 Major League Baseball draft by the Texas Rangers.
The Oakland Athletics' 1982 season involved the A's finishing fifth in the American League West with a record of 68 wins and 94 losses.
Donald Harris Hood was an American professional baseball player. He played in the Major League Baseball as a left-handed pitcher from 1973 to 1983 for the Baltimore Orioles, New York Yankees, Cleveland Indians, St. Louis Cardinals, and the Kansas City Royals.
Robert Joseph "Bob" Lacey, Jr. is an American former professional baseball pitcher. He played all or part of seven seasons in Major League Baseball for the Oakland Athletics, Cleveland Indians, Texas Rangers, California Angels, and San Francisco Giants.
Clifford Raphael Young was an American professional baseball pitcher. He pitched in parts of three seasons in Major League Baseball (MLB) between 1990 and 1993 for the California Angels (1990–91) and Cleveland Indians (1993).
Phillip Lee Huffman is an American former professional baseball pitcher. He played two seasons in Major League Baseball (MLB) for the Toronto Blue Jays and Baltimore Orioles.
Alan Lee Wirth is an American former professional baseball pitcher. Wirth pitched in parts of three seasons in Major League Baseball, from 1978 until 1980, for the Oakland Athletics.
Below are selected minor league players and the rosters of the minor league affiliates of the Oakland Athletics:
Steven Byrne Baker is a former Major League Baseball (MLB) pitcher who played for four seasons. He pitched for the Detroit Tigers from 1978 to 1979, the Oakland Athletics from 1982 to 1983, and the St. Louis Cardinals in 1983. He was originally drafted by the New York Mets in the 18th round of the 1974 MLB Draft, but did not sign with them, instead choosing to attend college at the University of Oregon. With things not working out in Oregon, Baker left school his freshman year and returned to El Cajon, California. Baker regrouped and was masterful in a season with the Grossmont Junior College Baseball team in El Cajon and he signed with the Detroit Tigers as an amateur free agent on May 10, 1976.
Gary Dean Lance is a former baseball pitcher. He played briefly for the Kansas City Royals of Major League Baseball (MLB) in its 1977 season. Listed at 6' 3", 195 lb., Lance batted and threw right handed. He was born in Greenville, South Carolina and attended Dentsville High School in Columbia, SC and continued playing baseball for University of South Carolina.