How MLB’s new ABS challenge system works

MLB will be adding an ABS Challenge System, which will see balls and strikes being challenged to further perfect the game.
Major League Baseball

MLB announces ABS Challenge System coming to the Major Leagues beginning in the 2026 season

Major League Baseball (MLB) today announced that the Automated Ball Strike (ABS) Challenge System has been approved for Major League play by a vote of the Joint Competition Committee. Beginning in ...
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MLB announces ABS strike zone challenge system to debut in 2026 season

In a development that many Major League Baseball fans have been calling for for a long while, it was officially announced that the Automated Ball-Strike Challenge System will be implemented for the ...
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These 3 Braves players are the most likely to screw up using new ABS challenge system

On Tuesday, MLB announced that in 2026, the Automated Ball-Strike (ABS) Challenge System will be coming to the big leagues. The challenge system has been trialed in the minors for a few seasons now, ...