William Kempner

Pitcher for Miami

Age: 24, 222 lbs, 6'0"

Born: 6/18/2001, San Jose, CA, USA

Sal: N/A

TRANSACTION REPORT 6 days

Recalled from Triple-A.

The Marlins recalled Kempner from Triple-A Jacksonville.

Seasons	City	GP	CG	IP	ERA	W	L	ShO	Sv	H	2B	3B	HR	SO	HB	BB	WP	Bk	R	ER	NH	WHIP	K/9	PPts	PPts/GP
2026	MIA	4	0	4.7	0.00	0	0	0	0	3	0	0	0	5	0	0	0	0	0	0	0	0.64	9.64	0.0	0.0

		4	0	4.7	0.00	0	0	0	0	3	0	0	0	5	0	0	0	0	0	0	0	0.64	9.64	0.0	0.0

Date	Opp	Res	CG	IP	ERA	W	L	ShO	Sv	H	2B	3B	HR	SO	HB	BB	WP	Bk	R	ER	NH	WHIP	K/9	PPts
6/5/2026	TB	L0 - 6	0	1.3	0.00	0	0	0	0	1	0	0	0	1	0	0	0	0	0	0	0	0.75	6.75	0.0
5/31/2026	NYM@	L1 - 10	0	1.3	0.00	0	0	0	0	2	0	0	0	3	0	0	0	0	0	0	0	1.50	20.25	0.0
5/30/2026	NYM@	L1 - 6	0	1.0	0.00	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.00	0.00	0.0
5/5/2026	BAL	L7 - 9	0	1.0	0.00	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0.00	9.00	0.0

			0	4.7	0.00	0	0	0	0	3	0	0	0	5	0	0	0	0	0	0	0	0.56	9.00	0.0

Date	Visit.	Home	Time
6/6/2026	Rays	Marlins	4:10 PM
6/7/2026	Rays	Marlins	1:40 PM
6/9/2026	Diamondbacks	Marlins	6:40 PM
6/10/2026	Diamondbacks	Marlins	6:40 PM
6/11/2026	Diamondbacks	Marlins	1:10 PM
6/12/2026	Marlins	Pirates	6:40 PM
6/13/2026	Marlins	Pirates	4:05 PM
6/14/2026	Marlins	Pirates	12:15 PM
6/15/2026	Marlins	Phillies	6:40 PM
6/16/2026	Marlins	Phillies	6:40 PM

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Player	Pos	City	Injured date	Type	Description	+

Player	Pos	City	Transaction date	Description
W. Kempne	P	MIA	5/30/2026	Recalled from Triple-A.
W. Kempne	P	MIA	5/6/2026	Sent back to minors.
W. Kempne	P	MIA	5/5/2026	Recalled from Triple-A.
W. Kempne	P	MIA	3/8/2026	Sent to Triple-A.
W. Kempne	P	MIA	11/18/2025	Joins 40-man roster.

Player	Pos	City	Game Date	Corr. Date	Corr.	Description	Game log

Stars of the month

Date	Player	City	Pos	Star
May 05, 2026	W. Kempne	MIA	P	NA
May 30, 2026	W. Kempne	MIA	P	NA
May 31, 2026	W. Kempne	MIA	P	NA
June 05, 2026	W. Kempne	MIA	P	NA

Stars of the week

Date	Player	City	Pos	Star