William Kempner - MLB Player Stats

Complete MLB career stats for William Kempner

PitcherACTIVE

William Kempner

Miami Marlins

#71

Age

25 yrs

Birthplace

San Jose, USA

Height

6' 0"

Weight

222 lbs

Bats

Right

Throws

Right

MLB Debut

May 5, 2026

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