Robo umps reach Triple-A, but MLB rollout still uncertain
KBO to adopt robot umpire, pitch clock in 2024
Robo umps reach Triple-A, but MLB rollout still uncertain
Robo umps reach Triple-A, but MLB rollout still uncertain
MLB catchers wary of looming robo umps amid rules changes - Hawaii Tribune-Herald
Robo-ump challenge system, shift ban among experimental rules MLB to use in minors
Robot umpires and a ball/strike challenge system are coming to Triple-A in 2023 - Bleed Cubbie Blue
Major League Baseball expands 'robot umpire' use throughout all 30 Triple-A ballparks
MLB will consider implementing electronic strike zone in 2025
Baseball's new electronic strike zone debuts in Worcester