List of Major League Baseball umpiring leaders

The following include various records set by major league baseball umpires. Leagues are abbreviated as follows: AA – American Association, 1882–1891 AL – American League, 1901–1999 FL – Federal League, 1914–1915 ML – Major League Baseball, 2000–present (AL and NL umpiring staffs were merged in 2000) NL – National League, 1876–1999 PL – Players' League, 1890 == Regular season == In the regular season charts, umpires who are active entering the 2025 season are indicated in boldface; members of the Baseball Hall of Fame are indicated in italics.

Source: Wikipedia — List of Major League Baseball umpiring leaders (CC BY-SA 4.0)