Paul Skenes learns about MLB's new challenge system the hard way

Pittsburgh ace Paul Skenes was on the wrong end of four successful ABS challenges.

The robot umps are here: What to watch for with ABS this MLB spring training

MLB's ABS challenge system is up and running this spring — and it's about to change baseball profoundly. Here's everything you need to know.
Major League Baseball

There's loads of ABS data from last season. What does it all mean?

Welcome to the future. No robots required. For the first time, ABS (the Automated Ball-Strike Challenge System, powered by T-Mobile) has come to regular-season and postseason Major League play, after ...

Padres use spring training to get a feel for incoming ABS

ABS has set a universally accepted strike zone: the width of the plate (17 inches), 53.5% of a player’s measured height without cleats at the top of the zone and 27% of his height at the bottom, with ...