William Kempner
Miami Marlins#71 · Two-way player · Bats R, Throws R · 6' 0" · 222 lb · USA · Debut 2026
Compare with…
2026 pitching
1-0 W-L2.92 ERA14 SO0.97 WHIP
MLB career (pitching): 1-0 · 2.92 ERA · 14 SO · 0.97 WHIP
2026 batting
.000 AVG0 HR0 RBI.000 OPS
MLB career (batting): 9 G · .000 AVG · 0 HR · 0 RBI · .000 OPS
Game log — pitching
2026
Pitching — season by season
| Season | Team | W | L | ERA | G | GS | SV | IP | H | ER | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | MIA | 1 | 0 | 2.92 | 9 | 0 | 0 | 12.1 | 8 | 4 | 4 | 14 | 0.97 |
Batting — season by season
| Season | Team | G | AB | R | H | HR | RBI | BB | SO | SB | AVG | OBP | SLG | OPS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | MIA | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 |
Free, factual MLB data. No injury or contract data — the public API doesn't provide it, so we don't show it.