Marlins#53Pitcher
WK
William Kempner
HT6'0"
WT222 pounds
Birthdate2001-06-18
About
William Kempner is a promising pitcher for the Miami Marlins, wearing jersey #53 with his powerful 6'0", 222-pound frame. Born on June 18, 2001, in San Jose, California, Kempner ...
Current Season stats
| 2025 Preseason | 4 | 0 | 0 | 0 | 2 | 3 | 2 | 2 | 1 | 1 | 4 |
Statistics by game
| Saturday, Mar 15 |  | Astros | 0.2 | 2 | 1 | 1 | 0 | 0 | 11 | 0 | 13.5 |
| Monday, Mar 10 | | Nationals | 0.1 | 1 | 1 | 1 | 0 | 1 | 7 | 1 | 27 |
| Thursday, Mar 06 | | Braves | 1 | 0 | 0 | 0 | 1 | 0 | 22 | 3 | 0 |
| Friday, Feb 28 | | Braves | 0.2 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 |