Robot umps threaten to end the catcher framing era - Bless You Boys
Human Fallibility and the Case for Robot Baseball Umpires
If Robot Umpires Stick Around, Will A New Strike Zone Follow? — College Baseball, MLB Draft, Prospects - Baseball America
The Strike Zone of the Future: You Can't Argue with Technology
MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps?, BU Today
Robot umpires: How it works and its effect on players and managers in the Atlantic League, plus what's to come
Invasion of the Robot Umpires
MLB Rule Changes: Atlantic League Tests Tweaks Meant to Save Baseball - Bloomberg
Will controversial World Series calls accelerate MLB's move to robot umpires? - The Washington Post