MLB umpires may soon take to mic to explain replays – The Denver Post
MLB close to decision on replay expansion
Umpires might get microphones to explain video reviews, and nothing can possiblie go wrong
Home-Plate Umpires Have Favored Twins Opponents in 2023 Playoffs - Twins - Twins Daily
Close Call Sports & Umpire Ejection Fantasy League: MLB Releases Replay Review Regulations for 2014 Season
Baseball owners approve expanded replay - The Boston Globe
MLB Umpires to Use On-Field Microphones to Announce Replay Review Decisions to Fans, News, Scores, Highlights, Stats, and Rumors
Major League Baseball's worst call ever: Expanding instant replay - Los Angeles Times
Close Call Sports & Umpire Ejection Fantasy League: MLB Ejection 169 - Bruce Dreckman (1; Terry Francona)
Close Call Sports & Umpire Ejection Fantasy League: MLB Ejections 080-1 - Brian Walsh (1, 2; SEA x2)
The Umpire Strikes Back - WSJ
MLB Umpires To Wear Microphones & Announce Replay Decisions To Fans
What are the early returns on MLB instant replay?