William Kempner
2026–2026 · bats R / throws R · Miami Marlins
9G
–AVG
–OBP
–SLG
More career statistics
0H
0HR
0RBI
0SB
1–0W–L
12.1IP
14K
2.92ERA
0GS
Career summary: MLB’s official regular-season totals. Season lines, splits and historical game logs below are reconstructed from the covered Retrosheet records and can differ in coverage or scorer revisions. Compare sources and coverage.
Career batting
| G | PA | AB | R | H | 2B | 3B | HR | RBI | BB | K | SB | CS | HBP | SF | TB | AVG | OBP | SLG | OPS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | – | – | – | – |
Career pitching
| IP | G | GS | CG | W | L | SV | H | R | ER | HR | BB | K | HBP | WP | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.3 | 9 | 0 | 0 | 1 | 0 | 0 | 8 | 4 | 4 | 1 | 4 | 14 | 0 | 0 | 2.92 | 0.973 |
Season by season
| Year | Team | G | AB | H | HR | RBI | SB | AVG | IP | K |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026 |  Miami Marlins | 9 | – | – | – | – | – | – | 12 | 14 |