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

Balls and strike calls will be more precise than ever in 2026. Here's your guide to the ABS system in MLB.
Major League Baseball

Everything you need to know about the new ABS Challenge System

At long last, player protest with ball or strike calls can be handled with something other than ineffectual arguing.

Explaining the MLB Pace-of-Play and More Rule Changes for 2026 Season

The 2026 Major League Baseball season is set to begin on Wednesday, with a standalone game between the New York Yankees and ...

The ABS challenge system is here, and it will make a big impact

The new automated-ball-strike (ABS) challenge system feels much different. This rule change is really changing the game, and ...
NPR

Everything to know about the MLB's ball-strike challenge system at spring training

PHOENIX — For more than 150 years, the game of baseball has relied on humans behind home plate to call balls and strikes. This spring, for the first time in Major League history, players will be able ...
Major League Baseball

5 things fans need to know about ABS Challenge System

From the time in the 1800s when the relationship between pitcher and batter became adversarial, arguments about balls and ...