Jason Daniel Kendall is an American former professional baseball catcher who played 15 seasons in Major League Baseball (MLB), primarily for the Pittsburgh Pirates. He also played for the Oakland Athletics, Chicago Cubs, Milwaukee Brewers and Kansas City Royals. He is the son of former catcher Fred Kendall, who played in the majors from 1969 to 1980.
Lloyd Glenn McClendon is an American former professional baseball player, coach and manager. He played in Major League Baseball (MLB) as an outfielder from 1987 to 1994 for the Cincinnati Reds, Chicago Cubs, and the Pittsburgh Pirates.
Dale Curtis Sveum is an American former Major League Baseball (MLB) player and manager. He most recently served as the bench coach for the Kansas City Royals. As a player, Sveum saw action in 12 major league seasons between 1986 and 1999. He was a member of the Milwaukee Brewers, Philadelphia Phillies, Chicago White Sox, Oakland Athletics, Seattle Mariners, Pittsburgh Pirates, and New York Yankees. Following his playing career, Sveum managed in minor league baseball for several seasons before becoming an MLB coach. Sveum briefly served as manager of the Brewers in 2008 during his tenure as hitting coach for the team. He was later named manager of the Cubs after the 2011 season and served for two seasons. His cousin is former Blue Jays All-Star John Olerud.
Gary Richard Darling is an American former umpire in Major League Baseball. After beginning his career in the National League from 1986 to 1999, he worked throughout both major leagues from 2002 until his retirement in 2014. He wore uniform number 37.
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.
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.
James Michael Wolf is an American Major League Baseball umpire. He joined the major league staff in 1999 after working in the Arizona Rookie League, the South Atlantic League, the California League, the Texas League and the Pacific Coast League. He wears uniform number 28.
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.
Philip Cuzzi is an American professional baseball umpire in Major League Baseball (MLB). He worked as a reserve umpire in the National League (NL) from 1991 to 1993 and returned to the NL in 1999. Since 2000, he has worked in both major leagues. Cuzzi wore number 99 when his career started; he now wears number 10.
Wilbur Donald Wakamatsu is an American former professional baseball player, scout, coach, and manager. Wakamatsu was drafted in the 11th round of the 1985 Major League Baseball draft by the Cincinnati Reds. He played as a catcher in Major League Baseball for the Chicago White Sox. He served as the bench coach of the Texas Rangers from 2018 through 2021. He was hired as bench coach of the Kansas City Royals for the 2014 season. He was the manager of the Seattle Mariners for the 2009 season, as well as the majority of the 2010 season. He was the Toronto Blue Jays' bench coach for 2011 and 2012, after which he was replaced by DeMarlo Hale. During the 2013 season he worked as a scout for the New York Yankees in the Dallas/Fort Worth area. He is currently the first-ever executive vice president of baseball operations with the Oakland Ballers.
Major League Baseball (MLB) uses instant replay review to allow league officials to review certain types of plays in order to determine the accuracy of the initial call of the umpires on the field. Reviews may be initiated either by a team's manager with limitations or by the umpires themselves. All instant replay reviews are examined by umpires at the Replay Command Center in New York City, who have the final decision as to whether to uphold or overturn the initial call.
Todd Frederick Tichenor is an American professional baseball umpire. He became a Major League Baseball reserve umpire in 2007 and was promoted to the full-time MLB staff in 2012. He wore number 97 until the 2014 season, when he switched to number 13.
Samuel Woodford Holbrook is an American retired Major League Baseball umpire. He made his MLB debut in 1996 and was promoted to crew chief in 2017. Holbrook worked the World Series in 2010, 2016, and 2019. He retired following the 2022 season.
Victor Joseph Carapazza is an American Major League Baseball umpire. He wears uniform number 19, and previously wore uniform number 85.
Angel Hernandez Campos is an American former umpire in Major League Baseball (MLB). He umpired his first major league game on May 3, 2007. He was released after the 2014 season.
Lance Cole Barrett is an American umpire in Major League Baseball (MLB). He wore number 94 but changed to 16 starting in the 2020 season. Barrett became a minor league umpire in 2003 and was hired to the MLB staff prior to the 2014 season.
Michael William Muchlinski is an American Major League Baseball umpire. He umpired his first Major League game on April 24, 2006, and was officially hired by MLB prior to the 2014 season.
Cory Steven Blaser is an American Major League Baseball umpire. He umpired his first major league game on April 24, 2010.
Manuel Augusto González is a Venezuelan umpire in Major League Baseball (MLB). He made his major-league umpiring debut on May 17, 2010, filling in for John Hirschbeck, becoming the first Venezuelan umpire in MLB history.
David Ross Rackley is an American Major League Baseball umpire. He made his Major League umpiring debut on August 13, 2010. He wears uniform number 86.
