Robot umpires' coming to minor league, but still a while away from majors
MLB Umpires and the Classification of Strike-Three Calls
MLB Umpires and the Classification of Strike-Three Calls
Blue Jays – Yankees: Aaron Judge strike 3 from ump was wrong call
Female umpire Jen Pawol works in Rookie League
It wasn't even the least bit close either. Crazy bad It's like they're doing it on purpose - Atlanta Braves fans furious after baffling strike three call
The rule of thirds and '08 Stadium Club
Baseball's Best Umpire Third-Strike Calls Ever, News, Scores, Highlights, Stats, and Rumors
Braves' Matt Olson called out on worst strike 3 call season
MLB players' association trying to unionize minor leaguers
The Umpire Strikes Back - WSJ