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Measuring ABS Decision Quality
Evaluating each pitch based on its likelihood to be challenged gives us insight into who is tapping at the right time
Nate Burke · Apr 4, 2026
Leaderboard
53.2%2796/5257 W
Role
Sort
| # | Player | Team | W/C | Win% | Net RE | Net WPA | CDQ |
|---|---|---|---|---|---|---|---|
| 4 |  Drake Baldwin | ATL | 22/30 | 73% | +3.51 | +0.232 | +12.59 |
| 5 |  Hunter Goodman | COL | 47/75 | 63% | +8.95 | +0.765 | +12.42 |
| 6 |  J.T. Realmuto | PHI | 29/37 | 78% | +5.56 | +0.486 | +12.18 |
| 7 |  Miguel Amaya | CHC | 30/48 | 63% | +3.31 | +0.277 | +10.91 |
| 8 |  Carson Kelly | CHC | 30/39 | 77% | +6.66 | +0.584 | +9.80 |
| 9 |  Cal Raleigh | SEA | 29/47 | 62% | +7.31 | +0.640 | +9.65 |
| 10 |  Kyle Higashioka | TEX | 28/40 | 70% | +4.67 | +0.404 | +9.59 |
League Challenge Trends
Average Challenge Inning
7 day rolling avg of each team's first challenge per game
Average:Challenge:Team:Outcome:
League
Recent Activity
Notable events from the last 7 days
- Ump Miss
Bruce Dreckman called a ball on a pitch 5.3 inches inside the zone against pitcher Sean Burke in the bottom of the 3rd6/29
- 6+ Challenges
- Big Overturn
Gary Sánchez overturned a ball to a strike in the top of the 9th against CHC for 0.42 Runs and 10.5% Win Probability6/28
- Ump Miss
Brian Walsh called a ball on a pitch 5.5 inches inside the zone against pitcher Drew Rasmussen in the top of the 1st6/28
- Missed Opp
Rodolfo Durán missed a chance to overturn a ball to a strike in the top of the 5th against LAD for 1.79 Runs and 21.0% Win Probability6/28
- Missed Opp
Carson Kelly missed a chance to overturn a ball to a strike in the bottom of the 10th against MIL for 0.83 Runs and 19.4% Win Probability6/28
- Missed Opp
Mitch Garver missed a chance to overturn a ball to a strike in the bottom of the 8th against CLE for 0.96 Runs and 13.6% Win Probability6/28
- 10+ Win%
- Big Overturn
Jack Perkins overturned a ball to a strike in the bottom of the 4th against LAA for 0.92 Runs and 10.0% Win Probability6/27
- Big Overturn
Elly De La Cruz overturned a strike to a ball in the top of the 9th against PIT for 0.96 Runs and 26.2% Win Probability6/27
- Ump Miss
Alex MacKay called a strike on a pitch 5.3 inches outside the zone against batter Joc Pederson in the top of the 5th6/27
- Missed Opp
Logan O'Hoppe missed a chance to overturn a ball to a strike in the top of the 8th against ATH for 0.38 Runs and 8.7% Win Probability6/27
- 10+ Win%
- 10+ Win%
- 10+ Win%
BAL gained 10.4% Win Probability from challenges in their game against WSH6/27
- Ump Miss
Adrian Johnson called a strike on a pitch 4.0 inches outside the zone against batter Kyle Tucker in the top of the 5th6/26
- Big Overturn
Xavier Edwards overturned a strike to a ball in the top of the 8th against STL for 1.12 Runs and 9.6% Win Probability6/26
- Ump Miss
- Ump Miss
- Ump Miss
Lance Barksdale called a strike on a pitch 4.1 inches outside the zone against batter Taylor Trammell in the top of the 6th6/26
- Big Overturn
- 1.5+ Runs
- 10+ Win%
- 10+ Win%
- Missed Opp
Carson Benge missed a chance to overturn a strike to a ball in the bottom of the 7th against CHC for 0.57 Runs and 10.7% Win Probability6/24
- 10+ Win%