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MLB rolls out ABS challenge system tracker for 2026 season

Original: 2026 MLB ABS challenge system tracker: Team, player rankings

MLB is introducing the automated ball-strike challenge system for the 2026 season, allowing players to challenge umpire calls on balls and strikes. ESPN has launched a tracker ranking how teams and individual players fare with challenges across spring games and early action. Attention is focused on which catchers, pitchers and hitters are adapting best to the new strike-zone technology and how often challenges succeed.

Why now: Fans are tracking early results as MLB's automated strike-zone challenge system debuts in 2026

MLBESPNABS challenge system

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Evidence

• 2026 MLB ABS challenge system tracker: Team, player rankings · ESPN

API: https://socialmediatrends-api.osmike.com/v1/trends/19059