Dale Allan Scott is an American former umpire in Major League Baseball. He worked in the American League from 1986 to 1999, and officiated in both leagues from 2000 until his retirement after the 2017 season. He became a crew chief in 2001. He wore uniform number 39 his first two years and number 5, previously worn in the AL by Russ Goetz, thereafter.
Jerry Wayne Hairston Jr. is an American former professional baseball infielder and outfielder. He played 16 seasons in Major League Baseball (MLB) for the Baltimore Orioles, Chicago Cubs, Texas Rangers, Cincinnati Reds, New York Yankees, San Diego Padres, Washington Nationals, Milwaukee Brewers, and Los Angeles Dodgers. He played every position except pitcher and catcher during his baseball career. He is the grandson of former major leaguer Sam Hairston, the son of former major leaguer Jerry Hairston Sr., and the brother of Scott Hairston.
Jeffrey Brian Nelson is an American former professional baseball umpire in Major League Baseball (MLB), who was named to the National League (NL) staff prior to the 1999 season, and worked throughout both major leagues from 2000 until his retirement after the 2023 regular season.
Delmon Damarcus Young is an American former professional baseball outfielder and designated hitter. He played in Major League Baseball (MLB) for the Tampa Bay Devil Rays/Rays, Minnesota Twins, Detroit Tigers, Philadelphia Phillies, and Baltimore Orioles. He is the younger brother of former major league outfielder and first baseman Dmitri Young. He was the first-overall pick in the 2003 MLB draft.
Jerry Blake Layne is an American umpire in Major League Baseball who has worked in the National League between 1989 and 1999, and throughout both major leagues since 2000. He wore uniform number 24 in the NL, but when MLB merged the AL and NL umpiring staffs in 2000, Layne was forced to switch to number 26, as AL umpire Al Clark, who also wore 24, had more seniority. When Clark was fired midway through the 2001 season by MLB, Layne reclaimed number 24 and has worn it ever since. With Joe West's retirement in 2022, Layne became MLB's most senior active umpire.
Ángel Hernández is a Cuban-American former professional baseball umpire. He worked in the National League from 1991 to 1999 and worked throughout Major League Baseball (MLB) from 2000 until his retirement in May 2024. Hernández was involved in several controversial incidents and was widely criticized by players, coaches, and fans throughout his career.
Martin Robert Foster is an American former Major League Baseball umpire. After first working in the American League in 1996, he was added to the MLB umpiring staff in 2000. Foster retired following the 2022 season.
Ronald Clarence Kulpa is an American umpire in Major League Baseball. He wears uniform number 46.
Daniel Ralph Iassogna is an American umpire in Major League Baseball. He joined the major league staff in 1999. In 2012, Iassogna worked his first World Series. He was promoted to crew chief for the 2020 season.
Adam LaMarque Jones is an American former professional baseball outfielder. He played in Major League Baseball (MLB) for the Seattle Mariners, Baltimore Orioles and Arizona Diamondbacks and in Nippon Professional Baseball (NPB) for the Orix Buffaloes.
James Alfred Joyce III is an American former professional baseball umpire who worked in the American League (AL) from 1987 to 1999 and throughout Major League Baseball (MLB) from 2000 to 2016. He wore uniform number 6 while in the AL and number 66 for MLB. His loud and enthusiastic strike call drew comparisons to that of retired umpire Bruce Froemming. Though his umpiring was generally praised by players and coaches, Joyce is best known for his incorrect call in Armando Galarraga's near-perfect game in June 2010.
Gregory Allan Gibson is an American former Major League Baseball umpire who worked in the National League from 1997 to 1999 and throughout both major leagues from 2000 to 2022. He was promoted to crew chief for the 2022 season.
Brian Edward Runge is a former umpire in Major League Baseball who worked in the National League in 1999 and throughout both major leagues from 2000 to 2012; he wore uniform number 18, and previously 71.
Paul Lewis Emmel is an American retired Major League Baseball (MLB) umpire. He worked in the National League in 1999, and throughout both major leagues from 2000 to 2023. Emmel was named a crew chief in 2017 and wore uniform number 50.
C. B. Bucknor is a Jamaican umpire in Major League Baseball (MLB) who worked in the National League (NL) from 1996 to 1999 and has worked in both major leagues since 2000.
Fieldin Henry Culbreth III is an American former umpire in Major League Baseball (MLB). He worked in the American League from 1993 to 1999 and in both major leagues from 2000 until his retirement in 2021. Culbreth was promoted to crew chief prior to the 2013 season. Culbreth wore number 42 while he was an American League umpire, then changed to 25 in 2000 after the MLB umpires were unified into one crew.
Steven Wayne Pearce is an American former professional baseball left fielder and first baseman. He played in Major League Baseball (MLB) for the Pittsburgh Pirates, Baltimore Orioles, Houston Astros, New York Yankees, Tampa Bay Rays, Toronto Blue Jays and Boston Red Sox. Pearce is only the second player in MLB history to have played for every team in the American League East, the first being Kelly Johnson. He is also the first and only player to have hit two walk-off grand slams in the span of a single week.
Edwin William Hickox is an American retired Major League Baseball umpire. He worked in the American League from 1990 to 1999 and in Major League Baseball from 2005 until his retirement in 2023. Hickox wore uniform number 39 with the American League and number 15 with Major League Baseball. He officiated the Division Series in 2007, 2010, 2012, and 2019 and 2020, as well as the 2011 Major League Baseball All-Star Game.
In a Major League Baseball game played on June 2, 2010, at Detroit's Comerica Park, Detroit Tigers pitcher Armando Galarraga nearly became the 21st pitcher in Major League Baseball history to throw a perfect game. Facing the Cleveland Indians, Galarraga retired the first 26 batters he faced. His bid for a perfect game was ruined one out short when first-base umpire Jim Joyce incorrectly ruled that Indians batter Jason Donald reached first base safely on a ground ball. Galarraga instead finished with a one-hit shutout in a 3–0 victory. He faced 28 batters and threw 88 pitches, striking out three. The game is sometimes referred to as the "28-out perfect game", the "almost perfect game", the "extra perfect game", the "imperfect game" or simply the "Galarraga game."
