MLB umpires to use microphones to announce replay review decisions - Sports Illustrated

MLB Umpires To Wear Microphones & Announce Replay Decisions To Fans

Beyond the grunt: Umpires mic up, and baseball changes a bit

Rangers' Marcus Semien Was Bizarrely Tagged Out By the Batting

There's more than one way to the World Series. Ask Carlos Torres

At last, MLB umpires will communicate with fans about replay

MLB Umpires to Use On-Field Microphones to Announce Replay Review

To The Fence Umpires At The Local Little League: Be Quiet & Watch

MLB Umpire Microphones in Action as 2022 Season Nears - Crew Chief

Peter King spends week embedded with NFL refs, Part 1 - Sports

MORE