Mic'd-up umpires would make replay reviews less confusing and even provide some comedy – New York Daily News
How Wrigley Field got lights, night games in 1988
Mic'd-up umpires would make replay reviews less confusing and even provide some comedy – New York Daily News
How MLB Umpires Learned to Explain Replays to Crowds - The New York Times
MLB Umpires To Wear Microphones & Announce Replay Decisions To Fans
How MLB Umpires Learned to Explain Replays to Crowds - The New York Times
We might not get that automated strike zone after all - Bleed Cubbie Blue
Video calls to allow fans window into umpires' replay talks - ESPN
MLB umpires to announce replay reviews to fans
Blown Calls Catch Umpires Off Base - The New York Times