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Minor League Baseball will expand trials of a new rule that allows players to challenge balls and strikes using an automated ball-strike system if they think the umpire missed the call.
MLB testing new technology during games to help settle balls vs. strikes conflicts - ABC News
Triple-A's Ball/Strike Pitch Location Challenge System Update and a Minor League Ejection in OKC
Strike, baseball
ABS system gets rigorous test at Futures Game
MLB is using an automated ball-strike challenge system in their Arizona Fall League #shorts
Meet the Savannah Bananas, who wow fans and have MLB's attention - Los Angeles Times
Baseball rules - Wikipedia
ABS system gets rigorous test at Futures Game
Robot umpires and a ball/strike challenge system are coming to Triple-A in 2023 - Bleed Cubbie Blue
The Minor League extra-innings rule change is a failure - Bleed Cubbie Blue
Are robot umpires ready for their MLB debut? Not so fast. - The Athletic
Major League Baseball Utilizing Automated Strike Zone In Triple-A Games