Nick Mahrley

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Nick Mahrley
Mahrley during a game at T-Mobile Park in 2022
Born: (1982-09-23) September 23, 1982 (age 42) Park Ridge, Illinois, U.S.
MLB debut
August 3, 2017
Crew Information
Umpiring crew	11
Crew members	#51 Marvin Hudson (crew chief) #21 Hunter Wendelstedt #74 John Tumpane #48 Nick Mahrley
Career highlights and awards
Special Assignaments Division Series (2024)

Nicholas Stephen Mahrley (born September 23, 1982) is an American professional baseball umpire who began his Major League Baseball career in 2017 and joined the permanent staff in 2023. He wears uniform number 48.

Mahrley began working as an umpire in Minor League Baseball. He umpired in the Gulf Coast League, New York-Penn League, Midwest League, Carolina League, Florida State League, Eastern League, and the Pacific Coast League. Mahrley umpired is first game in Major League Baseball in 2017. MLB promoted him to the permanent staff in 2023 after a record-high ten MLB umpires retired following the 2022 season.^[1][2]

Oh August 25, 2024, Mahrley had to be carted off the field at Yankee Stadium after being hit on the side of his neck by the barrel of a broken baseball bat from Giancarlo Stanton while he was behind home plate. Mahrley was diagnosed with a concussion.^[3][4]

Mahrley and his wife Jodi reside in Phoenix, Arizona. Prior to becoming an umpire, Mahrley served in the United States Air Force.^[1]

• List of Major League Baseball umpires

• Career statistics and player information from Retrosheet