Overall
All MLB challenges combined.
Attempts454
Overturned252
Confirmed202
Success55.5%
2026 Season
ABS Challenge System
League-wide season view of the Automated Ball-Strike Challenge System, with macro success rates and role-specific leaderboards for batters, pitchers, and catchers.
Overall
55.5%
Overturn rate
Attempts454
Overturned252
Confirmed202
Batter
49.8%
Overturn rate
Attempts203
Overturned101
Confirmed102
Pitcher
37.2%
Overturn rate
Attempts113
Overturned42
Confirmed71
Catcher
58.8%
Overturn rate
Attempts3405
Overturned2003
Confirmed1402
League Summary
Season Overview
55.5% overall overturn rate
Batter
Challenges initiated by hitters.
Attempts203
Overturned101
Confirmed102
Success49.8%
Pitcher
Challenges initiated by pitchers.
Attempts113
Overturned42
Confirmed71
Success37.2%
Catcher
Challenges initiated by catchers.
Attempts3405
Overturned2003
Confirmed1402
Success58.8%