Robo umps? Not so fast. Here's what MLB's technology upgrade means - ESPN
Robot umpires inch closer to calling MLB games
Robot umpire debuts at Las Vegas Ballpark with little fanfare, Ron Kantowski, Sports
Analytics helping speed up baseball games
Robo-umpiring has arrived in the minor leagues. Here's how it's been working. - The Boston Globe
Pirates pitchers have close eye on robotic future
There's no way you're fooling a machine': A first-person look at the robot umpire system being tested by MLB
Robot umpire: Baseball edges closer to implementing automatic strike zone in major leagues : r/baseball
Major League Baseball expands 'robot umpire' use throughout all 30 Triple-A ballparks
MLB Rumors: Automated Strike Zone, Players Sitting In Stands Among Proposed Changes With Beginning MLB Season In Arizona
Korean baseball league introduces automated ball-strike system for 2024 as MLB mulls future with robot umps
Every number is good': Analytics helping speed up baseball
Now Calling Balls and Strikes: Robot Umpires - WSJ
They Call 'Em Like They See 'Em - Twinkie Town
Robot umpire: Baseball edges closer to implementing automatic strike zone in major leagues : r/baseball