Brett Sullivan caught a couple of games at the University of the Pacific, but he didn’t truly move behind the plate until 2016, his second year in the Tampa Bay Rays system. The 30-year-old veteran ...

The automated ball-strike challenge system made its MLB debut Thursday in the Dodgers-Cubs spring training game. It's an ...

MLB players can challenge ball and strike calls. The camera-based system is only an experiment for now — but it has the ...