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Seranthony Domínguez

#58 - Relief Pitcher

Seattle Mariners

Bats / Throws Right / Right
Date of Birth 11/25/1994 (31)
Height, Weight 6'1", 225 lb
Hometown Esperanza Valverde Mao, DOM

2026 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
12 57.2 3.90 1.28 24.6% 12.7%
25th 3
Sv
116th 49.0
IP
168th 4.26
ERA
157th 1.35
WHIP
121st 22.5%
K%
294th 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
97.2 12.6% 26.6% 51.0% 3.5% 4.75 4.53
46th 94.7
FB MPH
142nd 12.1%
SwStr%
270th 28.5%
CSW%
189th 51.1%
Str-ICR
71st 4.7%
MTK%
318th 4.94
PLV
320th 3.54
PLA
Holds List
Rank
97th

Articles

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9/10/2026Fantasy Baseball Relief Pitcher Roundup: 9/9Rick Graham

9/5/2026Fantasy Baseball Relief Pitcher Roundup: 9/4Rick Graham

9/3/2026Fantasy Baseball Relief Pitcher Roundup: 9/2Rick Graham

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Seranthony Domínguez Overview

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team G GS IP W-L Sv Hld ERA WHIP xERA FIP xFIP PLA K% BB% H/9 HR/9 BABIP HR/FB% LOB% ICR% GB% SwStr% CSW% IPR% PLV
2018 PHI 53 0 58.0 2-5 16 14 2.95 0.93 - 2.85 - 0.00 32.0% 9.5% 5.0 0.62 .220 - 74.4% - - 16.3% 34.2% 0.70 -
2019 PHI 27 0 24.2 3-0 0 9 4.01 1.46 - 4.04 - 0.00 26.4% 10.9% 8.8 1.09 .328 - 73.2% - - 14.9% 31.0% 0.60 -
2021 PHI 1 0 1.0 0-0 0 0 0.00 0.00 0.03 1.17 3.86 2.88 33.3% 0.0% 0.0 0.00 .000 0.0% - - 50.0% 14.3% 21.4% 0.43 5.04
2022 PHI 54 0 51.0 6-5 9 15 3.00 1.14 3.22 3.09 3.28 3.20 29.5% 10.6% 6.4 0.71 .269 14.8% 76.8% 39.0% 50.4% 15.9% 29.0% 0.52 5.02
2023 PHI 57 0 50.0 5-5 2 14 3.78 1.40 4.30 4.84 4.90 4.29 21.4% 9.8% 8.6 1.26 .291 18.9% 77.0% 34.5% 42.2% 14.2% 25.7% 0.41 4.81
2024 BAL/PHI 63 0 58.2 3-4 11 6 4.45 1.24 3.95 4.70 4.06 3.53 26.7% 8.2% 8.0 1.84 .263 24.0% 73.9% 34.8% 35.0% 12.5% 27.2% 0.48 5.04
2025 BAL/TOR 67 0 62.2 4-4 2 20 3.16 1.28 3.53 3.47 3.41 4.17 30.3% 13.8% 6.3 0.72 .281 20.0% 69.3% 38.9% 47.2% 14.9% 29.9% 0.53 4.77
2026 SEA/CHW 63 0 57.2 5-3 12 7 3.90 1.28 3.98 4.84 4.09 4.53 24.6% 12.7% 6.7 1.40 .241 29.0% 76.1% 33.3% 42.2% 12.6% 26.6% 0.46 4.75
RP MLB Percentile 87 0 66 78-26 92 58 52 52 46 25 56 9 65 16 78 26 83 8 65 75 46 58 23 33 9
RP MLB AVG 39 2 49.0 3-3 3 7 4.26 1.35 4.22 4.23 4.29 3.54 22.5% 9.8% 8.3 1.11 .291 17.5% 72.5% 36.9% 43.8% 12.1% 28.5% 0.50 4.94
Career 385 0 363.2 28-26 52 85 3.56 1.22 3.78 3.95 3.92 3.05 27.4% 10.8% 6.9 1.09 .266 25.7% 74.3% 28.2% 43.0% 14.4% 28.9% 0.52 4.88

Seranthony Domínguez Repertoire

2018 2019 2021 2022 2023 2024 2025 2026 All
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Seranthony Domínguez Game Log

Seranthony Domínguez Standard

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team G GS IP W-L QS Sv Hld P Strikes Balls TBF H 1B 2B 3B HR K BB HB WP
2018 PHI 53 0 58.0 2-5 0 16 14 931 603 328 231 32 21 7 0 4 74 22 4 10
2019 PHI 27 0 24.2 3-0 0 0 9 464 295 169 110 24 18 2 1 3 29 12 1 1
2021 PHI 1 0 1.0 0-0 0 0 0 14 9 5 3 0 0 0 0 0 1 0 0 0
2022 PHI 54 0 51.0 6-5 0 9 15 823 510 313 207 36 23 9 0 4 61 22 1 3
2023 PHI 57 0 50.0 5-5 0 2 14 859 534 325 224 48 37 4 0 7 48 22 6 1
2024 BAL/PHI 63 0 58.2 3-4 0 11 6 1,064 660 404 255 52 31 8 1 12 68 21 2 8
2025 BAL/TOR 67 0 62.2 4-4 0 2 20 1,102 658 444 261 44 31 8 0 5 79 36 2 12
2026 SEA/CHW 63 0 57.2 5-3 0 12 7 1,042 631 411 244 43 28 5 1 9 60 31 3 6
RP MLB Percentile 87 0 66 78-26 0 92 58 74 69 16 66 41 41 65 20 13 71 14 25 3
RP MLB AVG 39 2 49.0 3-3 0 3 7 830 530 299 213 45 30 8 1 6 48 20 3 2
Career 385 0 363.2 28-26 0 52 85 6,299 3,900 2,399 1,535 279 189 43 3 44 420 166 19 41

Seranthony Domínguez Advanced

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2018 PHI 32.0% 9.5% .157 .250 .501 .227 .220 .244 - - - - - - - -
2019 PHI 26.4% 10.9% .250 .385 .724 .316 .328 .358 - - - - - - - -
2021 PHI 33.3% 0.0% .000 .000 .000 .000 .000 .000 .031 .027 .047 .041 102.8 102.1 20.0 0.03
2022 PHI 29.5% 10.6% .197 .311 .596 .268 .269 .293 .199 .279 .262 .344 90.2 91.4 8.8 3.22
2023 PHI 21.4% 9.8% .246 .374 .713 .318 .291 .324 .228 .318 .263 .348 84.8 85.6 14.2 4.30
2024 BAL/PHI 26.7% 8.2% .225 .424 .718 .312 .263 .317 .220 .309 .258 .384 86.4 90.4 16.9 3.95
2025 BAL/TOR 30.3% 13.8% .198 .302 .616 .280 .281 .306 .201 .291 .280 .350 87.5 88.1 13.4 3.53
2026 SEA/CHW 24.6% 12.7% .206 .368 .684 .305 .241 .287 .213 .313 .261 .356 87.2 87.7 15.5 3.98
RP MLB Percentile 65 16 77 56 58 58 83 71 73 46 68 47 60 74 39 46
RP MLB AVG 22.5% 9.8% .241 .390 .714 .315 .291 .321 .235 .315 .280 .358 87.7 89.2 13.2 4.22
Career 27.4% 10.8% .208 .343 .645 .290 .266 .300 .193 .292 .264 .360 87.2 88.8 14.0 3.78

Seranthony Domínguez Pitch › Mix

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Year Team FF% (MPH) SI% (MPH) FC% (MPH) SL% (MPH) ST% (MPH) CB% (MPH) CH% (MPH) FS% (MPH) KN% (MPH) Fastball% Secondary%
2018 PHI17.3% (98.1)1.3% (98.3)-5.7% (88.9)--1.2% (90.6)-- 18.6% 6.9%
2019 PHI30.8% (97.3)1.5% (98.4)-17.7% (89.3)--3.2% (91.5)-- 32.3% 20.9%
2021 PHI57.1% (95.1)14.3% (95.6)-28.6% (85.4)----- 71.4% 28.6%
2022 PHI39.4% (97.5)32.6% (98.1)-24.3% (89.4)--3.8% (91.6)-- 71.9% 28.1%
2023 PHI39.1% (97.5)29.2% (98.0)-27.7% (90.0)--4.0% (90.9)-- 68.3% 31.7%
2024 BAL/PHI40.2% (97.7)18.1% (98.1)-39.9% (88.4)--1.0% (91.5)-- 58.4% 40.9%
2025 BAL/TOR43.5% (97.6)13.3% (97.8)-0.4% (88.0)21.4% (86.4)4.9% (83.7)-16.5% (87.2)- 56.7% 43.2%
2026 SEA/CHW42.0% (97.2)17.0% (97.6)--28.0% (85.1)1.4% (83.4)-11.5% (85.9)- 59.0% 41.0%
RP MLB Percentile 58 (86) 34 (91) - - 74 (83) 2 (77) - 35 (43) - 79.6% 19.6%
RP MLB AVG 38.6% (94.7) 26.5% (94.0) 19.7% (89.4) 25.8% (86.0) 21.1% (82.4) 15.5% (80.3) 17.2% (86.1) 18.7% (86.6) 42.7% (61.5) 48.6% 51.2%
Career36.8% (97.5)16.8% (98.0)-16.0% (89.1)8.4% (85.7)1.1% (83.6)1.6% (91.2)4.8% (86.6)- 53.5% 31.8%

Seranthony Domínguez Pitch › Results

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team FF CSW% SI CSW% FC CSW% SL CSW% ST CSW% CB CSW% CH CSW% FS CSW% KN CSW% Fastball CSW% Secondary CSW%
2018 PHI36.0% (18)0.0% (0)-28.3% (11)--27.3% (2)-- 33.5% 28.1%
2019 PHI31.5% (26)14.3% (0)-30.5% (11)--6.7% (1)-- 30.7% 26.8%
2021 PHI12.5% (0)50.0% (1)-25.0% (1)----- 20.0% 25.0%
2022 PHI29.9% (58)23.5% (19)-35.5% (49)--25.8% (5)-- 27.0% 34.2%
2023 PHI26.5% (55)18.3% (17)-33.2% (48)--20.6% (2)-- 23.0% 31.6%
2024 BAL/PHI25.2% (42)22.8% (9)-31.8% (82)--9.1% (0)-- 24.5% 31.3%
2025 BAL/TOR31.3% (56)21.2% (8)-0.0% (0)34.7% (52)29.6% (2)-27.5% (45)- 29.0% 31.1%
2026 SEA/CHW27.9% (51)21.5% (11)--27.1% (38)33.3% (2)-27.5% (29)- 26.0% 27.4%
RP MLB Percentile 55 (17) 17 (35) - - 40 (14) 75 (69) - 67 (25) - 29.2% 34.8%
RP MLB AVG 27.0% (30) 27.4% (12) 26.8% (14) 29.7% (26) 28.3% (18) 27.0% (14) 22.0% (19) 22.2% (19) 19.3% (9) 27.9% 28.7%
Career28.9% (306)21.2% (65)-32.4% (202)30.5% (90)30.4% (4)19.6% (10)27.5% (74)- 26.5% 30.5%

Seranthony Domínguez Batted Ball › Contact

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR%
2018 PHI - - - - - - - - 16.5% - - - - -
2019 PHI - - - - - - - - 17.9% - - - - -
2021 PHI 50.0% 0.0% 50.0% 0.0% 0.0% 50.0% 50.0% 0.0% 28.6% 100.0% 0.0% 0.0% 0.0% -
2022 PHI 50.4% 19.5% 22.0% 8.1% 35.0% 45.5% 26.8% 27.6% 18.0% 61.0% 26.0% 4.9% 8.1% 39.0%
2023 PHI 42.2% 21.1% 25.2% 11.6% 36.1% 45.3% 31.8% 23.0% 19.2% 65.3% 23.8% 4.1% 6.8% 34.5%
2024 BAL/PHI 35.0% 22.1% 30.7% 12.3% 36.2% 41.1% 33.7% 25.2% 19.5% 65.1% 18.4% 4.9% 11.7% 34.8%
2025 BAL/TOR 47.2% 22.2% 17.4% 13.2% 35.4% 45.1% 35.4% 19.4% 16.7% 61.2% 27.1% 5.6% 6.3% 38.9%
2026 SEA/CHW 42.2% 22.4% 21.1% 14.3% 32.7% 42.7% 30.7% 26.7% 19.6% 66.0% 21.1% 5.4% 7.5% 33.3%
RP MLB Percentile 46 37 29 76 61 61 25 57 71 71 80 52 34 75
RP MLB AVG 43.8% 21.7% 24.3% 10.2% 34.7% 41.0% 33.6% 25.4% 18.2% 62.9% 24.6% 5.9% 6.8% 36.9%
Career 43.0% 21.5% 23.6% 12.0% 35.0% 43.8% 31.9% 24.2% 18.2% 63.9% 23.0% 5.0% 8.1% 28.2%

Seranthony Domínguez Batted Ball › Outcomes

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team AVG wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA HR/FB ICR% IPA%
2018 PHI .157 .227 .220 .244 - - - - - - - - - -
2019 PHI .250 .316 .328 .358 - - - - - - - - - -
2021 PHI .000 .000 .000 .000 .031 .027 .047 .041 102.8 102.1 20.0 0.0% - -
2022 PHI .197 .268 .269 .293 .199 .279 .262 .344 90.2 91.4 8.8 14.8% 39.0% 23.2%
2023 PHI .246 .318 .291 .324 .228 .318 .263 .348 84.8 85.6 14.2 18.9% 34.5% 22.8%
2024 BAL/PHI .225 .312 .263 .317 .220 .309 .258 .384 86.4 90.4 16.9 24.0% 34.8% 22.4%
2025 BAL/TOR .198 .280 .281 .306 .201 .291 .280 .350 87.5 88.1 13.4 20.0% 38.9% 21.5%
2026 SEA/CHW .206 .305 .241 .287 .213 .313 .261 .356 87.2 87.7 15.5 29.0% 33.3% 20.5%
RP MLB Percentile 77 58 83 71 73 46 68 47 60 74 39 8 75 81
RP MLB AVG .241 .315 .291 .321 .235 .315 .280 .358 87.7 89.2 13.2 17.5% 36.9% 24.5%
Career .208 .290 .266 .300 .193 .292 .264 .360 87.2 88.8 14.0 25.7% 28.2% 17.1%

Seranthony Domínguez Approach › Plate Discipline

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Zone% Str% Swing% O-Sw% Whiff% Foul Str% Con% Z-Con% O-Con% CS% SwStr% CSW% BIP% PLUS% IPR% Str-ICR
2018 PHI - 64.8% 46.9% - 34.8% 16.5% 65.2% - - 17.8% 16.3% 34.2% 14.1% 61.3% 0.70 -
2019 PHI - 63.6% 47.4% - 31.4% 17.9% 68.6% - - 16.2% 14.9% 31.0% 14.7% 58.4% 0.60 -
2021 PHI 64.3% 64.3% 57.1% 20.0% 25.0% 28.6% 75.0% 85.7% 0.0% 7.1% 14.3% 21.4% 14.3% 64.3% 0.43 -
2022 PHI 42.3% 62.0% 48.8% 31.8% 32.6% 18.0% 67.4% 77.7% 50.3% 13.1% 15.9% 29.0% 14.9% 57.6% 0.52 50.3%
2023 PHI 44.9% 62.2% 50.6% 30.9% 28.0% 19.2% 72.0% 77.2% 61.6% 11.5% 14.2% 25.7% 17.2% 56.6% 0.41 50.3%
2024 BAL/PHI 46.8% 62.0% 47.4% 27.4% 26.4% 19.5% 73.6% 83.4% 51.0% 14.7% 12.5% 27.2% 15.4% 57.1% 0.48 51.3%
2025 BAL/TOR 41.3% 59.7% 44.6% 29.1% 33.3% 16.7% 66.7% 80.5% 44.7% 15.1% 14.9% 29.9% 13.1% 55.7% 0.53 49.5%
2026 SEA/CHW 43.0% 60.6% 46.5% 29.8% 27.0% 19.6% 73.0% 81.5% 58.2% 14.0% 12.6% 26.6% 14.4% 56.4% 0.46 51.0%
RP MLB Percentile 31 10 37 28 60 71 60 72 52 15 58 23 11 21 33 45
RP MLB AVG 44.5% 63.8% 47.4% 31.7% 25.5% 18.2% 74.5% 84.0% 58.6% 16.4% 12.1% 28.5% 17.1% 58.3% 0.50 51.1%
Career 34.0% 61.9% 47.4% 29.6% 30.3% 18.2% 69.7% 80.3% 52.8% 14.6% 14.4% 28.9% 14.8% 57.5% 0.52 53.6%

Seranthony Domínguez Approach › Locations

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2018 PHI - - - - - - - - - -
2019 PHI - - - - - - - - - -
2021 PHI 64.3% 35.7% 14.3% 50.0% 7.1% 35.7% 57.1% 50.0% 35.7% 0.0%
2022 PHI 42.3% 37.8% 23.3% 38.9% 25.5% 24.1% 50.4% 30.5% 46.2% 5.8%
2023 PHI 44.9% 34.6% 24.7% 40.7% 30.5% 26.0% 43.5% 36.0% 39.3% 7.1%
2024 BAL/PHI 46.8% 29.6% 24.3% 46.0% 30.3% 25.5% 44.2% 27.6% 48.1% 7.8%
2025 BAL/TOR 41.3% 35.1% 23.9% 41.1% 29.1% 23.9% 47.0% 27.6% 48.5% 6.2%
2026 SEA/CHW 43.0% 34.0% 24.7% 41.4% 36.6% 21.4% 42.0% 31.1% 44.2% 5.7%
RP MLB Percentile 31 47 72 71 52 67 56 66 54 13
RP MLB AVG 44.5% 34.5% 27.0% 38.5% 36.4% 22.9% 40.8% 29.9% 43.1% 6.6%
Career 34.0% 34.0% 24.2% 41.8% 30.5% 24.1% 45.4% 30.4% 45.5% 6.5%

Seranthony Domínguez Approach › Counts

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2018 PHI 58.0% 13.0% 29.2% 10.6% 62.9% 54.6% 22.2% - 27.2%
2019 PHI 57.1% 12.3% 30.6% 10.6% 56.4% 51.8% 19.6% - 20.4%
2021 PHI 50.0% 14.3% 35.7% 14.3% 0.0% 0.0% 0.0% - 20.0%
2022 PHI 57.8% 11.5% 31.1% 14.5% 58.0% 46.9% 16.8% 24.6% 23.8%
2023 PHI 59.3% 10.0% 30.8% 16.1% 58.0% 48.2% 15.3% 21.1% 18.1%
2024 BAL/PHI 55.7% 11.9% 32.4% 11.5% 58.8% 48.6% 18.5% 22.3% 19.7%
2025 BAL/TOR 56.5% 14.9% 29.2% 11.9% 53.0% 46.6% 18.6% 25.2% 24.5%
2026 SEA/CHW 56.4% 14.2% 30.0% 10.5% 59.3% 52.4% 19.0% 26.5% 19.2%
RP MLB Percentile 15 14 53 6 31 62 24 42 49
RP MLB AVG 58.5% 12.1% 30.0% 14.5% 61.1% 50.2% 21.2% 26.8% 19.2%
Career 57.2% 12.7% 30.5% 12.2% 58.0% 49.6% 18.6% 18.8% 21.9%

Seranthony Domínguez PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2018 PHI 931 - - - - - - - - 0.00
2019 PHI 464 - - - - - - - - 0.00
2021 PHI 14 5.04 57.1% 7.1% 35.7% 21.4% 0.0% -0.9 -1 2.88
2022 PHI 823 5.02 47.1% 16.4% 36.5% 10.7% 3.4% -4.5 -4 3.20
2023 PHI 859 4.81 43.1% 16.5% 40.4% 2.7% 4.8% 2.1 +5 4.29
2024 BAL/PHI 1,064 5.04 47.3% 16.4% 36.3% 11.0% 3.7% 9.4 +5 3.53
2025 BAL/TOR 1,102 4.77 43.5% 14.4% 42.1% 1.4% 2.8% -7.2 -2 4.17
2026 SEA/CHW 1,042 4.75 42.5% 16.3% 41.2% 1.3% 3.5% -5.4 -11 4.53
RP MLB Percentile 74 9 14 32 10 10 78 76 90 9
RP MLB AVG 830 4.94 45.9% 17.4% 36.7% 9.1% 4.7% 0.7 0 3.54
Career 6,299 4.88 44.7% 15.9% 39.4% 5.3% 3.6% -6.6 -7 3.05
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