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MLB · MIA · P
William Kempner
Miami Marlins
·
P
·
B/T R/R
ERA
ERA
W–L
W–L
K
K
WHIP
WHIP
ALL SPLITS
2026
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Worse
CAREER
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William Kempner
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BIO
Bio
Position
P
Bats / Throws
R/R
Age
25
Explore stats
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Strikeouts
Earned Runs
Hits Allowed
Walks Allowed
Outs Recorded
ERA
WHIP
Miami Marlins
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