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William Kempner

Marlins
Number #71
Position RP
Bats R
Throws R
Age 24
Height 6' 0"
Weight 222 lbs
Birth Place San Jose, CA
Born Jun 18, 2001
$820K
Total Value
$410K AAV
W0
ERA0.00
SO1
Recent Games
2026 Season
@ NYM
5/29 11:10 PM
vs BAL
5/5
1.0IP
0ER
1SO
vs NYM
3/7
1.0IP
0ER
2SO
@ STL
3/2
1.0IP
0ER
1SO
@ TOR
2/26
1.0IP
0ER
1SO
@ STL
2/23
1.0IP
0ER
2SO

Career Trajectory

William

Kempner

Career Trajectory

Career Accolades

Player Bio Data
DOB Jun 18, 2001
Birth Place San Jose, CA
Height 6' 0"
Weight 222 lbs LBS
Bats/Throws R/R