Replay review and ejections - Beyond the Box Score
Replay reviews are going to have to be done faster this year
Lou Piniella not sold on instant replay expansion for baseball
AP sources: MLB umpire tests positive for virus, crews shift
MLB umpires get support from players in 'perfectly imperfect' game
Hey, ump! Why'd you eject that player or manager?
MLB umpires should be mic'd up to explain reviews and ejections
MLB hasn't perfected replay review, and it's hurting game's pace
Umpires to announce replay reviews to fans
The Umpire Strikes Back - WSJ
Why Did the Umpire Quit Little League? Nasty Parents - WSJ
MLB Umpires to Explain Replay Review Decisions Via Microphone
How MLB Umpires Learned to Explain Replays to Crowds - The New
Minnesota Twins: If more replay helps get calls right, bring it on