MLB challenge system, explained: What to know about ABS and robot umpires in 2026 season

Another major change is coming to MLB. Just years after the ghost runner and pitch clock rules significantly changed the rhythm of baseball, shortening game length, the league is now addressing a different issue: missed calls. Specifically when it comes to balls and strikes, umpires will have a closer eye on them starting in 2026. That's because "robot umpires," in a sense, have officially arrived to MLB. The human element remains, but players will now instantly be able to challenge balls and strikes virtually whenever they desire — which will be most consequential in a game's biggest moments. Here's a full breakdown of the ABS system coming to MLB in 2026. MORE: The Sporting News'...