BIGLEAGUE

Seattle Mariners · Pitcher · #58

Seranthony Domínguez

Age 316' 1" · 225lbBats R · Throws RDebut 2018From Esperanza Valverde Mao

ERA

4.53

W-L

5-3

K

57

WHIP

1.38

WAR

-0.2

FIP

5.07

Awards

1 major honor

All-Star

2017

League Percentile

2026 season · percentile vs 290 relievers with 20+ IP
the entire league54relief pitchers290
ERA
31
4.53
WHIP
35
1.38
Strikeouts
75
57
K/9
84
10.76
Wins
86
5
Bottom of leagueAverage (50)Top of league

relief pitchers · by ERA

Top 69%

Seranthony Domínguez's ERA (4.53) ranks below average among 290 relievers with 20+ IP. The number on each bar is a percentile (higher is better); use the tabs to change the comparison pool.

PITCHING

Season · Career
CategoryGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2026 Season544.53531247.257281.38
Career3763.64282652353.24171631.24

Hover over a stat for its definition.

ARSENAL

Pitch arsenal · 2026 usage and average velocity
Four-Seam42.5%avg 156 km/h
Sweeper27.8%avg 137 km/h
Sinker16.5%avg 157 km/h
Splitter11.6%avg 138 km/h
Curveball1.7%avg 134 km/h

ADVANCED

Advanced metrics · 2026 season

BABIP

.270

K/9

10.76

BB/9

5.29

HR/9

1.51

Quality starts

0

Whiff%

28.0%

GAME LOG

Last 10 games · includes team result
DateOppInningsHitsERWalksStrikeoutsTeam
08.24vs PHI2.00002W
08.22vs CHC1.00003W
08.21vs CHC1.00001W
08.19@ MIL0.22210W
08.16@ HOU0.11001W
08.15@ HOU1.01100W
08.12@ NYY0.10000L
08.11@ NYY1.00010L
08.08vs TB0.21001L
08.07vs TB1.01012L

SPLITS

Situational splits (2026)

Home

Opp AVG.207
IP25.1
K29
WHIP1.30

Home

Opp AVG.250
IP6.0
K9
WHIP1.50

Home

Opp AVG.216
IP31.1
K38
WHIP1.34

Away

Opp AVG.191
IP13.0
K18
WHIP1.38

Away

Opp AVG.333
IP3.1
K1
WHIP1.80

Away

Opp AVG.220
IP16.1
K19
WHIP1.47

vs LHP

Opp AVG.227
IP18.0
K21
WHIP1.50

vs LHP

Opp AVG.278
IP4.1
K6
WHIP1.85

vs LHP

Opp AVG.238
IP22.1
K27
WHIP1.57

vs RHP

Opp AVG.178
IP19.2
K26
WHIP1.22

vs RHP

Opp AVG.278
IP4.2
K4
WHIP1.50

vs RHP

Opp AVG.198
IP24.1
K30
WHIP1.27

RISP

Opp AVG.163
IP11.2
K16
WHIP1.37

RISP

Opp AVG.231
IP3.2
K3
WHIP1.09

RISP

Opp AVG.179
IP15.1
K19
WHIP1.30

YEAR BY YEAR

Year-by-year · Career trends

ERALower is better

▲ Trending down year over year
ERA by yearFrom 2.95 in 2018 to 4.53 in 2026. Lower is better for this stat.2018 ERA: 2.952.9520182019 ERA: 4.0120192021 ERA: 0.000.0020212022 ERA: 3.0020222023 ERA: 3.7820232024 ERA: 4.4520242025 ERA: 3.1620252026 ERA: 4.534.532026
Show yearly figures
ERA year-by-year details
YearERA
20182.95
20194.01
20210.00
20223.00
20233.78
20244.45
20253.16
20264.53

WHIPLower is better

▲ Trending down year over year
WHIP by yearFrom 0.93 in 2018 to 1.38 in 2026. Lower is better for this stat.2018 WHIP: 0.930.9320182019 WHIP: 1.461.4620192021 WHIP: 0.000.0020212022 WHIP: 1.1420222023 WHIP: 1.4020232024 WHIP: 1.2420242025 WHIP: 1.2820252026 WHIP: 1.381.382026
Show yearly figures
WHIP year-by-year details
YearWHIP
20180.93
20191.46
20210.00
20221.14
20231.40
20241.24
20251.28
20261.38

Strikeouts

▼ Trending down year over year
Strikeouts by yearFrom 74 in 2018 to 57 in 2026.2018 Strikeouts: 747420182019 Strikeouts: 2920192021 Strikeouts: 1120212022 Strikeouts: 6120222023 Strikeouts: 4820232024 Strikeouts: 6820242025 Strikeouts: 797920252026 Strikeouts: 57572026
Show yearly figures
Strikeouts year-by-year details
YearStrikeouts
201874
201929
20211
202261
202348
202468
202579
202657
YearTeamGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2018PHI532.95251658.074220.93
2019PHI274.0130024.229121.46
2021PHI10.000001.0100.00
2022PHI543.0065951.061221.14
2023PHI573.7855250.048221.40
2024PHI384.7532136.040121.22
2024BAL253.97021022.22891.28
2024—634.45341158.268211.24
2025BAL433.2423241.254241.34
2025TOR243.0021021.025121.14
2025—673.1644262.279361.28
2026CWS433.99431238.147231.33
2026SEA116.751009.11051.61
2026—544.53531247.257281.38