What Is ABS and How Does It Work in Major League Baseball?

MLB introduces Automated Ball-Strike Challenge System with player-initiated challenges for disputed calls. A number of rules changes will be instituted in Major League Baseball during the 2026 season, ...

Assessing ABS: How MLB's roboump is doing so far, and what it means for this season

The first week of Spring Training games have already given us a glimpse into how the challenge system will work - and the ...

Tom Verducci Explains Why ABS Works and How MLB Got it Right

The debates about robot umpires have been loud, messy, and largely missing the point. What MLB is actually rolling out […] ...