Tampa Bay Rays catcher Ben Rortvedt tried to pull a fast one on MLB's new Automated Ball-Strike (ABS) challenge system on ...

The batter, pitcher or catcher simply tap their helmet or cap to challenge — but they only have two seconds. If they challenge, the pitch graphic appears on the scoreboard and broadcast, and the ...

It took just one inning for the Chicago Cubs right-hander to be the first player to successfully challenge a ball-strike call ...

The ABS uses a network of cameras installed in stadiums to track each pitch and determine whether it crosses home plate within the strike zone. The ...