MLB open to mic on umps for replay calls, the way NFL referees call penalties – New York Daily News
MLB umpires will make in-ballpark announcements to explain replay review decisions in 2022
MLB umpires to use microphones to announce replay review decisions - Sports Illustrated
MLB Umpires To Wear Microphones & Announce Replay Decisions To Fans
MLB umpires to announce replay review decisions to fans - ESPN
MLB Umpires Reportedly May Explain Replay Decisions on Microphones, News, Scores, Highlights, Stats, and Rumors
MLB Umpires To Wear Microphones & Announce Replay Decisions To Fans
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MLB umpires to announce replay decisions to fans for 1st time
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MLB umpires to conduct in-park announcements for replay decisions this season - The Globe and Mail
MLB news: Umpires to use microphones to announce replay decisions