William Kempner
Marlins
Number
#71
Position
RP
Bats
R
Throws
R
Age
25
Height
6' 0"
Weight
222 lbs
Birth Place
San Jose, CA
Born
Jun 18, 2001
Financial Summary: William Kempner
Listed as UFA in 2026: unsigned as of latest update.
Season
Age
Base Salary
CBT Hit
No active contract data available.