Steal first base? Robot umpires? Gauging reaction to the Atlantic League's experimental rules – The Morning Call
How can baseball 'fix' its struggles with the strike zone? Here's a 4-step plan to attempt to solve the issue - The Athletic
MLB might start using computerized plate umpires to call balls and strikes
Highlight] Home plate umpire Paul Emmel with atrocious strike call in the 10th inning : r/baseball
Automated Strike Zone Whiffs At Arizona Fall League — College Baseball, MLB Draft, Prospects - Baseball America
MLB umpires willing to let computers call balls and strikes: report
Observations of Umpires at Work – Society for American Baseball Research
Can't Allow Umpires to Make Pitch Clock Judgements : r/mlb
They Call 'Em Like They See 'Em - Twinkie Town
MLB fans cry for ABS system. IronPigs say: Careful what you wish for
POV: Bad Umpiring Hurt Baseball in 2021, Especially in the Playoffs. It's Time for Change, BU Today
Robot umpires' coming to minor league, but still a while away from majors
Associated Press: Computer plate umps allowed in new labor deal