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Teams · Miami Marlins · MLB ID 687531

#71 · Pitcher · Miami Marlins

William Kempner

B/T R/R · HT 6' 0" · WT 222 · Age 25 · Born Jun 18, 2001 · Debut May 5, 2026
Injured 15-Day
OverviewGame LogSplitsStatcastTrend LabFieldingPostseasonTransactions

2026 · Season

ERA
2.92
#95 in MLB
↑0.01 ↓0.01
WHIP
0.97
#39 in MLB
↑0.01 ↓0.01
IP
12.3
 
 
W-L
1-0
 
 
SO
14
 
 
BB
4
 
 
K/9
10.2
 
 
SV
0
 
 

2026 · Fielding

PosGGSInnPOAEDPFPCTRF
P 9 0 12.1 1 0 0 0 1.000 0.11
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