William Kempner

Pitcher for Miami
Age: 25, 222 lbs, 6'0"
Born: 6/18/2001, San Jose, CA, USA
Sal: N/A
This player is injured. Currently Injured

TRANSACTION REPORT 16 days

Moved to 60-day IL.
The Marlins transferred Kempner (elbow) to the 60-day injured list.
SeasonsCityGPCGIPERAWLShOSvH2B3BHRSOHBBBWPBkRERNHWHIPK/9PPtsPPts/GP
2026MIA9012.32.92100082011424004400.9710.225.00.6
9012.32.92100082011424004400.9710.225.00.6
DateOppResCGIPERAWLShOSvH2B3BHRSOHBBBWPBkRERNHWHIPK/9PPts
7/11/2026CLEL1 - 402.09.0000003200310002201.5013.500.0
7/9/2026SEAW8 - 400.354.00000020010020022012.000.000.0
7/3/2026ATH@W12 - 501.00.0000000000100000000.009.000.0
6/15/2026PHI@L0 - 702.30.0000000000210000000.007.710.0
6/10/2026AZW8 - 002.00.0010000000302000001.0013.505.0
6/5/2026TBL0 - 601.30.0000001000100000000.756.750.0
5/31/2026NYM@L1 - 1001.30.0000002000300000001.5020.250.0
5/30/2026NYM@L1 - 601.00.0000000000000000000.000.000.0
5/5/2026BALL7 - 901.00.0000000000100000000.009.000.0
012.37.00100082011424004401.868.865.0
DateVisit.HomeTime
9/8/20266:40 PM
9/9/20266:40 PM
9/11/20267:10 PM
9/12/20264:10 PM
9/13/20261:40 PM
9/14/20269:40 PM
9/15/20269:40 PM
9/16/20269:40 PM
9/18/20269:40 PM
9/19/20268:40 PM
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PlayerPosCityInjured dateTypeDescription+
PMIA8/12/2026Surgery on tapelbow+
PlayerPosCityTransaction dateDescription
PMIA8/21/2026Moved to 60-day IL.
PMIA7/12/2026Out with elbow sprain.
PMIA7/3/2026Recalled from Triple-A.
PMIA6/16/2026Returns to Triple-A.
PMIA5/30/2026Recalled from Triple-A.
PMIA5/6/2026Sent back to minors.
PMIA5/5/2026Recalled from Triple-A.
PMIA3/8/2026Sent to Triple-A.
PMIA11/18/2025Joins 40-man roster.

Stars of the month

DatePlayerCityPosStar
May 05, 2026MIAPNA
May 30, 2026MIAPNA
May 31, 2026MIAPNA
June 05, 2026MIAPNA
June 10, 2026MIAPNA
June 15, 2026MIAPNA
July 03, 2026MIAPNA
July 09, 2026MIAPNA
July 11, 2026MIAPNA
 

Stars of the week

DatePlayerCityPosStar
July 09, 2026MIAP2nd star
July 11, 2026MIAP2nd star