Story perspectives

MLB to Launch Automated Ball-Strike System in 2026

2/25/2026

Summary

Story summary

Major League Baseball (MLB) will implement the Automated Ball-Strike Challenge System for the 2026 regular season to improve ball-and-strike accuracy and hold umpires accountable.
During Grapefruit League games, home plate umpire Mitch Trzeciak faced scrutiny as calls were overturned by the ABS.
Players may challenge calls, with instant feedback delivered over a 5G network.
The ABS could slow play slightly, as teams start with two challenges per game.

History

Historical Context

Major League Baseball's introduction of the designated hitter rule in 1975 transformed player roles and game strategy. In 2026, the league plans to implement the Automated Ball-Strike Challenge System, allowing players to challenge calls, reflecting ongoing debates about officiating standards. This technological advancement aims to enhance fairness and accountability, echoing past changes that have shaped the game's evolution.

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Story summary

Major League Baseball (MLB) will implement the Automated Ball-Strike Challenge System for the 2026 regular season to improve ball-and-strike accuracy and hold umpires accountable.
During Grapefruit League games, home plate umpire Mitch Trzeciak faced scrutiny as calls were overturned by the ABS.
Players may challenge calls, with instant feedback delivered over a 5G network.
The ABS could slow play slightly, as teams start with two challenges per game.

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