PoolExpert

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
3
0
3.3
0.00
0
0
0
0
2
0
0
0
4
0
0
0
0
0
0
0
0.60
10.80
0.0
0.0
3
0
3.3
0.00
0
0
0
0
2
0
0
0
4
0
0
0
0
0
0
0
0.60
10.80
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
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
3.3
0.00
0
0
0
0
2
0
0
0
4
0
0
0
0
0
0
0
0.50
9.75
0.0
Date
Visit.
Home
Time
6/5/2026
7:10 PM
6/6/2026
4:10 PM
6/7/2026
1:40 PM
6/9/2026
6:40 PM
6/10/2026
6:40 PM
6/11/2026
1:10 PM
6/12/2026
6:40 PM
6/13/2026
4:05 PM
6/14/2026
12:15 PM
6/15/2026
6:40 PM
Pages:
1 2 >>
Player
Pos
City
Transaction date
Description
P
MIA
5/30/2026
Recalled from Triple-A.
P
MIA
5/6/2026
Sent back to minors.
P
MIA
5/5/2026
Recalled from Triple-A.
P
MIA
3/8/2026
Sent to Triple-A.
P
MIA
11/18/2025
Joins 40-man roster.

Stars of the month

Date
Player
City
Pos
Star
May 05, 2026
MIA
P
NA
May 30, 2026
MIA
P
NA
May 31, 2026
MIA
P
NA
 

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