New Wireless Audio Lets MLB Umpires Make All the Calls Very Loud and Clear
Inside Baseball's Desperate Effort to Save Itself From Irrelevance - The Atlantic
MLB Umpires to Use On-Field Microphones to Announce Replay Review Decisions to Fans, News, Scores, Highlights, Stats, and Rumors
MLB Twitter reacts to mass retirement of major league umpires: Don't let the door hit you on the way out, Wish Angel Hernandez was on this list
Santa Barbara Independent 8/17/23 by SB Independent - Issuu
Umpire Chris Conroy favored the Astros in Game 1 of the World Series
MLB umpires will make in-ballpark announcements to explain replay review decisions in 2022
Cincinnati Reds vs Washington Nationals - July 6, 2023 - Redleg Nation
What does baseball sound like during a pandemic? Loneliness, and hope
How MLB Umpires Learned to Explain Replays to Crowds - The New York Times