MLB started experimenting with ball/strike technology at the independent Atlantic League in 2019. A challenge system was tried in 2021 at eight of nine ballparks that make up the Florida State League.

MLB will be using technology to get the big ball-strike calls right? Not much doubt about that. So it’s a good thing they’re not unleashing the robots without getting extensive feedback from ...

the robot alone for the first three games of each series and a human with a challenge system in the final three. That system was in place at the start of 2024, but MLB switched to an all-challenge ...