PoolExpert

Seranthony Dominguez

Relief pitcher for Seattle
Age: 31, 225 lbs, 6'1"
Born: 11/25/1994, Esperanza Valverde Mao, Dominican Republic
Sal: N/A

TRANSACTION REPORT 11 days

Acquired by Seattle.
The Mariners acquired Dominguez, outfielder Nolan Jones and catcher Boston Smith from the White Sox on Saturday in exchange for right-hander Luis Castillo.
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
SEA
48
0
41.7
4.54
4
3
0
12
34
4
0
8
50
2
27
5
0
24
21
0
1.46
10.80
56.0
1.2
2025
TOR
67
0
62.7
3.16
4
4
0
2
44
8
0
5
79
2
36
12
0
30
22
0
1.28
11.35
26.0
0.4
2024
BAL
63
0
58.7
4.45
3
4
0
11
52
8
1
12
68
2
21
8
1
32
29
0
1.24
10.43
48.0
0.8
2023
PHI
57
0
50.0
3.78
5
5
0
2
48
4
0
7
48
6
22
1
1
25
21
0
1.40
8.64
31.0
0.5
2022
PHI
54
0
51.0
3.00
6
5
0
9
36
9
0
4
61
1
22
3
0
18
17
0
1.14
10.76
57.0
1.1
2021
PHI
1
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
0.0
2019
PHI
27
0
24.7
4.01
3
0
0
0
24
0
0
3
29
1
12
1
0
13
11
0
1.46
10.58
15.0
0.6
2018
PHI
53
0
58.0
2.95
2
5
0
16
32
0
0
4
74
4
22
10
0
19
19
0
0.93
11.48
58.0
1.1
370
0
347.7
3.24
27
26
0
52
270
33
1
43
410
18
162
40
2
161
140
0
1.11
10.38
291.0
0.7
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
8/12/2026
NYY@
L5 - 10
0
0.3
0.00
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.00
0.00
0.0
8/11/2026
NYY@
L1 - 4
0
1.0
0.00
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1.00
0.00
0.0
8/8/2026
TB
L2 - 3
0
0.7
0.00
0
0
0
0
1
0
0
0
1
0
0
0
0
0
0
0
1.50
13.50
0.0
8/7/2026
TB
L1 - 2
0
1.0
0.00
0
0
0
0
1
0
0
0
2
0
1
0
0
0
0
0
2.00
18.00
0.0
8/4/2026
DET
L0 - 8
0
0.3
108.00
0
0
0
0
4
0
0
2
0
0
2
0
0
4
4
0
18.00
0.00
0.0
8/1/2026
L0 - 1
0
1.0
0.00
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0.00
18.00
0.0
7/30/2026
L1 - 2
0
1.0
0.00
1
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
1.00
9.00
5.0
7/27/2026
W9 - 5
0
1.0
0.00
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1.00
0.00
0.0
7/26/2026
L3 - 12
0
1.0
0.00
0
0
0
0
1
0
0
0
1
0
0
0
0
0
0
0
1.00
9.00
0.0
7/24/2026
W9 - 5
0
0.3
0.00
0
0
0
0
1
0
0
0
1
0
2
0
0
0
0
0
9.00
27.00
0.0
0
7.7
10.80
1
0
0
0
9
0
0
2
8
0
7
0
0
4
4
0
3.45
9.45
5.0
Pages:
1 2 3 4 5 6 7 8 9 10 >> ... 11-20
Date
Visit.
Home
Time
8/13/2026
1:35 PM
8/14/2026
8:10 PM
8/15/2026
7:10 PM
8/16/2026
7:20 PM
8/18/2026
7:40 PM
8/19/2026
7:40 PM
8/20/2026
2:10 PM
8/21/2026
10:10 PM
8/22/2026
7:15 PM
8/23/2026
4:10 PM
Pages:
1 2 >>
Player
Pos
City
Transaction date
Description
RP
SEA
8/1/2026
Acquired by Seattle.
RP
SEA
1/23/2026
Signs with ChiSox.
RP
SEA
7/29/2025
Traded to Blue Jays.
RP
SEA
11/4/2024
Option for 2025 exercised.
RP
SEA
7/26/2024
Shipped to Baltimore.
RP
SEA
7/25/2023
Activated from injured list.
RP
SEA
6/17/2023
Placed on injured list.
RP
SEA
2/16/2023
Signs two-year extension.
RP
SEA
9/11/2022
Activated from injured list.
RP
SEA
8/21/2022
Lands on injured list.
Pages:
1 2 3 >>
Player
Pos
City
Game Date
Corr. Date
Corr.
Description
Game log
RP
SEA
7/19/2025
7/28/2025
-1
Earned runs allowed
Game log
RP
SEA
5/13/2024
5/27/2024
+1
Earned runs allowed
Game log

Stars of the month

Date
Player
City
Pos
Star
March 28, 2026
SEA
RP
NA
March 29, 2026
SEA
RP
NA
April 03, 2026
SEA
RP
NA
April 04, 2026
SEA
RP
NA
April 09, 2026
SEA
RP
NA
April 12, 2026
SEA
RP
NA
April 16, 2026
SEA
RP
NA
April 18, 2026
SEA
RP
NA
April 19, 2026
SEA
RP
NA
April 23, 2026
SEA
RP
NA
April 24, 2026
SEA
RP
NA
April 26, 2026
SEA
RP
NA
April 28, 2026
SEA
RP
NA
April 29, 2026
SEA
RP
NA
May 02, 2026
SEA
RP
Rookie star
May 08, 2026
SEA
RP
NA
May 10, 2026
SEA
RP
NA
May 12, 2026
SEA
RP
NA
May 13, 2026
SEA
RP
NA
May 17, 2026
SEA
RP
NA
May 24, 2026
SEA
RP
NA
May 25, 2026
SEA
RP
NA
May 29, 2026
SEA
RP
NA
May 30, 2026
SEA
RP
NA
June 05, 2026
SEA
RP
Rookie star
June 09, 2026
SEA
RP
NA
June 10, 2026
SEA
RP
NA
June 14, 2026
SEA
RP
NA
June 19, 2026
SEA
RP
NA
June 21, 2026
SEA
RP
NA
 
Pages:
1 2 >>

Stars of the week

Date
Player
City
Pos
Star
March 29, 2026
SEA
RP
2nd star
April 16, 2026
SEA
RP
3rd star
April 26, 2026
SEA
RP
1st star
May 13, 2026
SEA
RP
2nd star
May 17, 2026
SEA
RP
2nd star
May 30, 2026
SEA
RP
3rd star
June 09, 2026
SEA
RP
3rd star
June 10, 2026
SEA
RP
3rd star
June 14, 2026
SEA
RP
1st star
June 21, 2026
SEA
RP
1st star
June 22, 2026
SEA
RP
2nd star
July 03, 2026
SEA
RP
2nd star
July 20, 2026
SEA
RP
1st star
August 04, 2026
SEA
RP
Rookie star
August 11, 2026
SEA
RP
3rd star
 
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