MLB umpires to make announcements on replay reviews for first time
Two wrongs trying to make a right – makeup calls are common for
Umpires might get microphones to explain video reviews, and
Alabama Public Television Presents
MLB News: Umpires To Wear Microphones During On-Field Reviews
Gardenhire gets ejected, 04/19/2019
What do MLB umpires do in the off-season? - Quora
Detroit Tigers - Wikipedia
MLB umpires should be mic'd up to explain reviews and ejections
ON BOYS Podcast
MLB Umpire Microphones in Action as 2022 Season Nears - Crew Chief
Calaméo - The American Magazine January-February 2023 issue 790