Randall Gilbert Marsh
- Height 6' 0", Weight 220 lb.
Randy Marsh was a major league league umpire for 29 years, from 1981 when he was hired by the National League, until 2009. He rose to the rank of crew chief and worked five World Series, including three as the crew chief. He also worked 5 Division Series, 9 National League Championship Series, and 4 All-Star Games. He was the home plate umpire for the 1996 All-Star Game. Overall, he umpired over 3,700 regular season games during his long career. He first began umpiring in the minor leagues in 1968, in the Appalachian League and was in the Pacific Coast League from 1974 to 1981, when he was called up by the National League partway through the season.
Marsh was much involved in developing the umpiring profession during his time as a major league umpire, being part of the first joint committee on umpire training set up by Major League Baseball and the World Umpires Association, and was one of the authors of the first Major League Umpire Manual.
After his retirement from umpiring, Marsh was hired by MLB as an umpiring supervisor in 2010, then was promoted to Director of Umpiring prior to the 2011 season, alongside fellow former umpire Rich Rieker.
Marsh served in the US Army reserves from 1968 to 1974.