MLB admits umpires fouled up, suspends one, fines three others
An MLB umpire mocked a challenge into a hot mic, then overturned
Umpires might take to mic to explain replay rulings
MLB Umpires To Wear Microphones & Announce Replay Decisions To Fans
In its push for more Black US players, MLB hopes results are on
MLB Umpires to Explain Replay Review Decisions Via Microphone for
MLB Umpires to Explain Calls via Microphone in 2020
Two wrongs trying to make a right – makeup calls are common for
MLB Umpire Microphones in Action as 2022 Season Nears - Crew Chief