← Back to leaderboard
William Kempner
Pitcher — Miami Marlins
#71Height: 6'0"
As Pitcher
Challenges
3
Overturn Rate
66.7%
Overturned
2
Confirmed
1
Recent Challenges
| Date | Inning | Role | Opponent | Call | Result | Zone |
|---|---|---|---|---|---|---|
| 2026-06-10 | ▲ 8 | As Pitcher | Batter: Corbin Carroll(MIA) | Ball → Strike | Overturned | |
| 2026-06-10 | ▲ 7 | As Pitcher | Batter: Tommy Troy(MIA) | Ball → Strike | Overturned | |
| 2026-05-31 | ▼ 7 | As Pitcher | Batter: Brett Baty(MIA) | Ball → Ball | Confirmed |