Rounding the Bases...
Rounding the Bases...
ABS challenge rankings across the active MLB umpire pool, highlighting which umpires look steady, volatile, or high-risk in the review sample.
Umpire Overturn Rates
Default Sort
Qualified samples first, then the umpires with the most challenge evidence.
Adam Beck
No sample
OT Rate
0.0%
Challenges
Games
Volatility
Read
Adam Hamari
No sample
OT Rate
0.0%
Challenges
Games
Volatility
Read
Adrian Johnson
No sample
OT Rate
0.0%
Challenges
Games
Volatility
Read
Alan Porter
No sample
OT Rate
0.0%
Challenges
Games
Volatility
Read
Alex MacKay
No sample
OT Rate
0.0%
Challenges
Games
Volatility
Read
Alex Tosi
No sample
OT Rate
0.0%
Challenges
Games
Volatility
Read
Alfonso Márquez
No sample
OT Rate
0.0%
Challenges
Games
Volatility
Read
Andy Fletcher
No sample
OT Rate
0.0%
Challenges
Games
Volatility
Read
Austin Jones
No sample
OT Rate
0.0%
Challenges
Games
Volatility
Read
Austin Snow
No sample
OT Rate
0.0%
Challenges
Games
Volatility
Read
| 01Adam BeckNo sample | 0 | 0.0% | Moderate | Watchful | 0 |
| 02Adam HamariNo sample | 0 | 0.0% | Moderate | Watchful | 0 |
| 03Adrian JohnsonNo sample | 0 | 0.0% | Moderate | Watchful | 0 |
| 04Alan PorterNo sample | 0 | 0.0% | Moderate | Watchful | 0 |
| 05Alex MacKayNo sample | 0 | 0.0% | Moderate | Watchful | 0 |
| 06Alex TosiNo sample | 0 | 0.0% | Moderate | Watchful | 0 |
| 07Alfonso MárquezNo sample | 0 | 0.0% | Moderate | Watchful | 0 |
| 08Andy FletcherNo sample | 0 | 0.0% | Moderate | Watchful | 0 |
| 09Austin JonesNo sample | 0 | 0.0% | Moderate | Watchful | 0 |
| 10Austin SnowNo sample | 0 | 0.0% | Moderate | Watchful | 0 |