Overall
All MLB challenges combined.
Attempts346
Overturned191
Confirmed155
Success55.2%
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
55.2%
Overturn rate
Attempts346
Overturned191
Confirmed155
Batter
52.1%
Overturn rate
Attempts165
Overturned86
Confirmed79
Pitcher
46.2%
Overturn rate
Attempts13
Overturned6
Confirmed7
Catcher
59.6%
Overturn rate
Attempts235
Overturned140
Confirmed95
League Summary
Season Overview
55.2% overall overturn rate
Batter
Challenges initiated by hitters.
Attempts165
Overturned86
Confirmed79
Success52.1%
Pitcher
Challenges initiated by pitchers.
Attempts13
Overturned6
Confirmed7
Success46.2%
Catcher
Challenges initiated by catchers.
Attempts235
Overturned140
Confirmed95
Success59.6%