Alex MacKay (umpire)

Alex MacKay
MLB – No. 9
Umpire
Born: (1989-02-03) February 3, 1989
Denver, Colorado, U.S.
MLB debut
August 21, 2020
Crew information
Umpiring crewN
Crew members

Alex Charles MacKay (born February 3, 1989) is an American professional umpire in Major League Baseball. He wears uniform number 9.

Career

MacKay began working as a Minor League Baseball umpire in 2012 after graduating from the MiLB Umpire Academy. He umpired in the Florida Instructional League, Pioneer League, Florida State League, Southern League and Pacific Coast League.[1]

MacKay made his major league debut on August 21, 2020, for a game between the Kansas City Royals and Minnesota Twins at Kauffman Stadium. Wearing uniform number 105, he was at second base, with Ed Hickox at first, fellow call-up umpire Jeremie Rehak as the home plate umpire, and Jerry Meals at third.[2][3]

MLB promoted MacKay to the permanent staff prior to the 2025 season along with Paul Clemons and Emil Jiménez, upon the retirements of Paul Emmel, Jerry Layne, and Larry Vanover.[4]

See also

References

  1. ^ "MLB Umpire Bios". MLB.com. Retrieved September 7, 2025.
  2. ^ "Retrosheet Boxscore: Kansas City Royals 7, Minnesota Twins 2". www.retrosheet.org. Retrieved September 7, 2025.
  3. ^ Imber, Lindsay (August 21, 2020). "MLB Debut of Umpire Alex MacKay". Close Call Sports. Retrieved September 7, 2025.
  4. ^ "Five umpires receive promotions to the Major League staff". MLB.com. Major League Baseball. February 14, 2025. Retrieved March 10, 2026.