Baseball has been undergoing some pretty dramatic changes. The sport may still be timeless in a sense, but it is now timed.

Hey, you miss 100% of the shots you don't take. This article was originally published on www.si.com as Rays Catcher Boldly Challenges Umpire's Call Way Out of Strike Zone.

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After a meandering minor league career that took detours to Mexico and Puerto Rico and included a release that led to part-time work as an Uber driver and substitute teacher, J.C.

One of which was Phillies catcher J.T. Realmuto ... catchers and managers can go to a camera to see whether or not the umpire got the call right. Each team gets two challenges and only lose ...

What did we learn from watching the robot umps — and talking to people throughout the game about ABS — this spring? Let's discuss!

Rather than tossing a bright red flag, like NFL coaches do during games, the batter, pitcher or catcher may tap their hat or helmet to challenge an umpire’s ball-strike call. Hawk-Eye technology ...