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MLB · MIA · P

William Kempner

Miami MarlinsPB/T R/R

ERAERA
W–LW–L
KK
WHIPWHIP

ALL SPLITS

2026

BetterWorse

CAREER

COMPARE

William KempnerSeason · per game

BIO

Bio

PositionP

Bats / ThrowsR/R

Age25

Explore stats ⌄

Strikeouts Earned Runs Hits Allowed Walks Allowed Outs Recorded ERA WHIP

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