
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
| Rank & Name | Challenges | Volatility | OT Rate | Read | Games |
|---|---|---|---|---|---|
| 01Sean Sparling | 6 | Low | 0.0% | Watchful | 4 |
| 02Thomas Fornarola | 18 | Low | 22.2% | Watchful | 5 |
| 03Bill Miller | 9 | Low | 22.2% | Watchful | 3 |
| 04Roberto Ortiz | 8 | Low | 25.0% | Watchful | 2 |
| 05Bruce Dreckman | 8 | Low | 25.0% | Watchful | 2 |
| 06Macon Hammond | 18 | Low | 33.3% | Watchful | 5 |
| 07Tom Hanahan | 14 | Low | 35.7% | Watchful | 3 |
| 08Nate Tomlinson | 11 | Low | 36.4% | Watchful | 3 |
| 09Ryan Additon | 6 | Low | 33.3% | Watchful | 1 |
| 10Dillon Wilson | 28 | Moderate | 39.3% | Watchful | 6 |