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Seranthony Domínguez
Seranthony Domínguez
Seattle Mariners • Pitcher
Age 31 • 6' 1" • 225 lb
Bats: R • Throws: R
MLB Debut: 2018-05-07
Born: Esperanza Valverde Mao • Dominican Republic
2026 Stats
W
4
L
3
ERA
3.99
WHIP
1.33
IP
38.1
SO
47
SV
12
HLD
4
G
43
GS
0
Career Stats
W
28
L
26
ERA
3.52
WHIP
1.22
IP
368.0
SO
425
SV
52
HLD
86
G
389
GS
0
Year-by-Year Pitching
Year Team GGSIP WLSVSO ERAWHIPAwards
2018 PHI 53 — 58.0 2 5 16 74 2.95 0.93
2019 PHI 27 — 24.2 3 — — 29 4.01 1.46
2021 PHI 1 — 1.0 — — — 1 0.00 0.00
2022 PHI 54 — 51.0 6 5 9 61 3.00 1.14
2023 PHI 57 — 50.0 5 5 2 48 3.78 1.40
2024 Total 63 — 58.2 3 4 11 68 4.45 1.24
2025 Total 67 — 62.2 4 4 2 79 3.16 1.28
2026 Total 67 — 62.0 5 3 12 65 3.63 1.24
Spring Training
Pitching
YearTeamGGSIPWLSVSOERAWHIP
2018 PHI 5—4.2 1——5 1.930.86
2019 PHI 9—9.0 1——11 2.001.44
2020 PHI 2—2.0 ———2 0.000.00
2022 PHI 5—5.0 11—10 7.201.00
2023 PHI 918.1 ———9 3.240.84
2024 PHI 8—8.0 —1—8 3.380.88
2025 BAL 6—6.0 —1—11 19.503.33
2026 CWS 3—3.0 ———4 0.001.67
Postseason
Pitching
YearTeamGGSIPWLSVSOERAWHIP
2022 PHI 9—10.2 2—118 1.690.75
2023 PHI 6—5.1 ———7 0.001.69
2024 BAL 2—1.2 ———2 0.000.00
2025 TOR 12—11.1 2——10 3.181.41
Game Logs
Season selector loads one year at a time.
Pitching
Date Opponent IP H R ER BB SO HR
2026-09-26 vs LAA 1.0 0 0 0 0 1 0
2026-09-23 vs HOU 1.0 1 0 0 0 1 0
2026-09-20 @ COL 1.0 1 0 0 0 1 0
2026-09-18 @ COL 1.1 1 0 0 0 2 0
2026-09-15 @ LAA 1.0 0 0 0 0 1 0
2026-09-13 @ ATH 1.0 2 0 0 0 0 0
2026-09-11 @ ATH 1.2 1 0 0 0 1 0
2026-09-09 vs TEX 1.0 0 0 0 1 1 0
2026-09-04 vs ATH 1.1 1 0 0 0 0 0
2026-09-02 @ BOS 1.0 0 0 0 0 0 0
2026-08-31 @ BOS 1.0 0 0 0 0 0 0
2026-08-30 @ TOR 1.0 0 0 0 1 0 0
2026-08-28 @ TOR 1.0 1 1 1 1 0 1
2026-08-24 vs PHI 2.0 0 0 0 0 2 0
2026-08-22 vs CHC 1.0 0 0 0 0 3 0
2026-08-21 vs CHC 1.0 0 0 0 0 1 0
2026-08-19 @ MIL 0.2 2 2 2 1 0 0
2026-08-16 @ HOU 0.1 1 0 0 0 1 0
2026-08-15 @ HOU 1.0 1 1 1 0 0 0
2026-08-12 @ NYY 0.1 0 0 0 0 0 0
2026-08-11 @ NYY 1.0 0 0 0 1 0 0
2026-08-08 vs TB 0.2 1 0 0 0 1 0
2026-08-07 vs TB 1.0 1 0 0 1 2 0
2026-08-04 vs DET 0.1 4 4 4 2 0 2
2026-08-01 @ TB 1.0 0 0 0 0 2 0
2026-07-30 vs NYY 1.0 0 0 0 1 1 0
2026-07-27 vs NYY 1.0 1 0 0 0 0 0
2026-07-26 vs HOU 1.0 1 0 0 0 1 0
2026-07-24 vs HOU 0.1 1 0 0 2 1 0
2026-07-20 @ TEX 1.0 1 1 1 0 2 1
2026-07-17 @ TOR 0.1 0 0 0 0 0 0
2026-07-12 vs ATH 1.0 0 0 0 0 1 0
2026-07-08 vs BOS 1.0 0 0 0 1 1 0
2026-07-07 vs BOS 1.0 1 0 0 1 2 0
2026-07-03 @ CLE 0.1 0 2 2 2 1 0
2026-06-28 vs KC 1.0 1 0 0 0 2 0
2026-06-22 vs CLE 0.1 2 2 2 1 1 0
2026-06-21 @ DET 1.0 3 1 1 0 1 0
2026-06-19 @ DET 1.0 1 0 0 0 0 0
2026-06-14 vs LAD 1.0 1 1 1 2 2 0
2026-06-10 vs ATL 1.0 0 0 0 0 0 0
2026-06-09 vs ATL 1.0 0 0 0 1 0 0
2026-06-05 @ PHI 0.1 0 0 0 1 1 0
2026-05-30 vs DET 1.0 0 0 0 0 1 0
2026-05-29 vs DET 1.0 0 0 0 0 1 0
2026-05-25 vs MIN 1.0 1 0 0 0 2 0
2026-05-24 @ SF 1.0 1 0 0 0 2 0
2026-05-17 vs CHC 1.0 1 3 2 1 1 1
2026-05-13 vs KC 1.0 2 2 2 0 1 1
2026-05-12 vs KC 1.0 0 0 0 0 0 0
2026-05-10 vs SEA 1.0 2 0 0 1 1 0
2026-05-08 vs SEA 1.0 0 0 0 0 2 0
2026-05-02 @ SD 0.2 0 0 0 0 1 0
2026-04-29 vs LAA 1.0 0 0 0 0 1 0
2026-04-28 vs LAA 1.0 0 0 0 1 1 0
2026-04-26 vs WSH 1.0 1 2 1 0 0 1
2026-04-24 vs WSH 1.0 1 0 0 0 2 0
2026-04-23 @ AZ 1.0 0 0 0 0 2 0
2026-04-19 @ ATH 1.0 0 0 0 1 1 0
2026-04-18 @ ATH 1.0 0 0 0 2 1 0
2026-04-16 vs TB 0.1 2 3 3 1 1 1
2026-04-12 @ KC 1.0 0 0 0 1 2 0
2026-04-09 @ KC 1.0 0 0 0 1 2 0
2026-04-04 vs TOR 1.0 1 0 0 1 1 0
2026-04-03 vs TOR 1.1 0 1 0 0 2 0
2026-03-29 @ MIL 0.1 2 2 2 1 0 1
2026-03-28 @ MIL 1.0 1 0 0 0 0 0
Transactions
Entire history • newest first.
2026-08-04
Seattle Mariners activated RHP Seranthony Domínguez.
2026-08-02
Seattle Mariners traded RHP Luis Castillo to Chicago White Sox for RHP Seranthony Domínguez, C Boston Smith, RF Nolan Jones and cash.
2026-04-16
RHP Seranthony Domínguez changed number to 58.
2026-04-15
RHP Seranthony Domínguez changed number to 42.
2026-01-29
Chicago White Sox signed free agent RHP Seranthony Domínguez.
2025-11-02
RHP Seranthony Domínguez elected free agency.
2025-07-29
Toronto Blue Jays activated RHP Seranthony Domínguez.
2025-07-29
Baltimore Orioles traded RHP Seranthony Domínguez and cash to Toronto Blue Jays for RHP Juaron Watts-Brown.
2025-07-28
RHP Seranthony Domínguez roster status changed by Baltimore Orioles.
2025-04-16
Baltimore Orioles activated RHP Seranthony Domínguez.
2025-04-16
RHP Seranthony Domínguez changed number to 56.
2025-04-16
Baltimore Orioles activated RHP Seranthony Domínguez.
2025-04-15
RHP Seranthony Domínguez changed number to 42.
2024-07-26
Baltimore Orioles traded RF Austin Hays to Philadelphia Phillies for RHP Seranthony Domínguez and CF Cristian Pache.
2023-07-25
Philadelphia Phillies activated RHP Seranthony Domínguez from the 15-day injured list.
2023-07-21
Philadelphia Phillies sent RHP Seranthony Domínguez on a rehab assignment to Lehigh Valley IronPigs.
2023-07-21
Philadelphia Phillies sent RHP Seranthony Domínguez on a rehab assignment to Lehigh Valley IronPigs.
2023-06-17
Philadelphia Phillies placed RHP Seranthony Domínguez on the 15-day injured list retroactive to June 16, 2023. Left oblique strain.
2022-09-11
Philadelphia Phillies activated RHP Seranthony Domínguez from the 15-day injured list.
2022-09-08
Philadelphia Phillies sent RHP Seranthony Dominguez on a rehab assignment to Lehigh Valley IronPigs.
2022-08-21
Philadelphia Phillies placed RHP Seranthony Dominguez on the 15-day injured list retroactive to August 18, 2022. Right triceps tendinitis.
2021-10-02
Philadelphia Phillies recalled RHP Seranthony Dominguez, and from Lehigh Valley IronPigs.
2021-09-01
Philadelphia Phillies optioned RHP Seranthony Dominguez to Lehigh Valley IronPigs.
2021-08-24
Philadelphia Phillies sent RHP Seranthony Dominguez on a rehab assignment to Lehigh Valley IronPigs.
2021-08-11
Philadelphia Phillies sent RHP Seranthony Dominguez on a rehab assignment to Reading Fightin Phils.
2021-08-03
Philadelphia Phillies sent RHP Seranthony Dominguez on a rehab assignment to Jersey Shore BlueClaws.
2021-02-17
Philadelphia Phillies placed RHP Seranthony Dominguez on the 60-day injured list. Recovering from Tommy John surgery.
2020-11-02
Philadelphia Phillies activated RHP Seranthony Dominguez from the 60-day injured list.
2020-06-28
Philadelphia Phillies placed RHP Seranthony Dominguez on the 60-day injured list. Right elbow sprain.
2019-11-04
Philadelphia Phillies activated RHP Seranthony Dominguez from the 60-day injured list.
2019-07-20
Philadelphia Phillies transferred RHP Seranthony Dominguez from the 10-day injured list to the 60-day injured list. Right UCL injury
2019-06-07
Philadelphia Phillies placed RHP Seranthony Dominguez on the 10-day injured list retroactive to June 6, 2019. Right UCL injury
2018-05-07
Philadelphia Phillies recalled RHP Seranthony Dominguez from Lehigh Valley IronPigs.
2018-03-13
Philadelphia Phillies optioned RHP Seranthony Dominguez to Reading Fightin Phils.
2017-11-20
Philadelphia Phillies selected the contract of Seranthony Dominguez from Clearwater Threshers.
2017-03-12
RHP Seranthony Dominguez assigned to Philadelphia Phillies.
2012-05-31
Philadelphia Phillies signed free agent RHP Seranthony Dominguez to a minor league contract.
Scouting Report
Statcast-style percentiles • Basenerd theme
Season 2026
Ready
Basic Line
Season / Game
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Pitch Arsenal
Usage • Velo • Break • Spin • xwOBA
Pitch N Use% Velo HB IVB Spin xwOBA Whiff% Zone% Chase% BNStuff+ BNCtrl+
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Notes
Primary pitch summary
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Movement Profile (Induced Break)
Pitcher's View: HB vs Rise / Drop (in)
Circles: 12/18/24 in • Dots = pitch types (size ~ pitch count)
Pitch Location Heatmaps
KDE-style blur • fixed zone • catcher POV
vs. LHH
vs. RHH
Zone: left -0.7083 / right 0.7083 • bot 1.595 / top 3.394 • Domain: X [-2,2], Z [0,5]
Statcast Game Log
Per-game pitch metrics from Statcast
Date Pitches Velo BNStuff+ BNCtrl+ Whiff% Zone% Chase% K% BB% xwOBA
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