Overall
All MLB challenges combined.
Attempts457
Overturned253
Confirmed204
Success55.4%
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
55.4%
Overturn rate
Attempts457
Overturned253
Confirmed204
Batter
49.3%
Overturn rate
Attempts205
Overturned101
Confirmed104
Pitcher
40.5%
Overturn rate
Attempts163
Overturned66
Confirmed97
Catcher
58.6%
Overturn rate
Attempts4987
Overturned2921
Confirmed2066
League Summary
Season Overview
55.4% overall overturn rate
Batter
Challenges initiated by hitters.
Attempts205
Overturned101
Confirmed104
Success49.3%
Pitcher
Challenges initiated by pitchers.
Attempts163
Overturned66
Confirmed97
Success40.5%
Catcher
Challenges initiated by catchers.
Attempts4987
Overturned2921
Confirmed2066
Success58.6%