MLB, umpires agree on deal that would allow for computerized ball

Robot umpires to call balls and strikes in MLB spring training, a potential step toward regular season usage (report)

MLB might start using computerized plate umpires to call balls and strikes

[Blum] There's an art to calling strike 3. MLB umpires have a story to their calls. Many practice them in front of a mirror. This article is on how those calls came to be. And why the umps behind them fear robo-umps could rob the job of its personality. : r/baseball

Game Changers: An electronic strike zone?

There's an art to it:' The blown call against Kevin Plawecki and the Red Sox isn't enough to make him want a robot ump - The Boston Globe

Automated ball-strike system challenge system a hit in AFL

Worcester Red Sox are preparing for robotic ball-strikes system coming

Are robot umpires ready for their MLB debut? Not so fast. - The Athletic

MLB to Use Electronic Strike Zone in Triple A Leagues in 2023 – SportsTravel

They Call 'Em Like They See 'Em - Twinkie Town

MLB umpires agree to electronic strike zone testing and development for 'robot umps' in new union deal

Report: Umps agree to cooperate with electronic strike-zone testing

Close Call Sports & Umpire Ejection Fantasy League: MLB Considering Electronic Strike Zone for Social Distance Safety During 2020 Season

Retired MLB umpire Dale Scott on coming out, Pride, and robo umps - Pinstripe Alley