Nestor Cortes got behind the plate in a batting cage and watched an 8-foot-high, 1,200-pound robot spit out fastballs, cutters and sweepers just like the ones spinning off the fingertips of his left ...

The Trajekt Arc pitching machine uses baseball's high-tech data to mimic the way balls break from every big league pitcher and has been approved by Major League Baseball for in-game use this year in ...