The Trajekt Arc pitching machine uses baseball’s high ... Using video of deliveries and data, the robot allows a hitter to step in against recreated offerings from any pitcher he wants to ...

In the vernacular, the system is sometimes called "robot umps." But MLB is not using ... Already, one pitcher — a future Hall of Famer now pitching what may be the final season of his 18-year ...

If it’s challenge-system feedback baseball wants this spring, then I think we found just the man to supply it.

Umpires first began calling both balls and strikes way back in 1864, and baseballers have been arguing about those calls ever ...