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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 62.0 3.63 1.24 25.0% 11.9%
26th 3
Sv
106th 52.0
IP
130th 4.19
ERA
119th 1.34
WHIP
110th 22.7%
K%
261st 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
97.3 13.0% 27.1% 51.4% 3.4% 4.75 4.49
43rd 94.7
FB MPH
115th 12.2%
SwStr%
236th 28.5%
CSW%
159th 51.2%
Str-ICR
60th 4.7%
MTK%
311th 4.94
PLV
313th 3.56
PLA
Saves List
Rank
106th
Holds List
Rank
75th
Saves+Holds List
Rank
148th

Articles

9/24/2026Fantasy Baseball Relief Pitcher Roundup: 9/23Rick Graham

9/22/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 9/22Rick Graham

9/21/2026Fantasy Baseball Relief Pitcher Roundup: 9/20Rick Graham

9/19/2026Fantasy Baseball Relief Pitcher Roundup: 9/18Rick Graham

9/16/2026Fantasy Baseball Relief Pitcher Roundup: 9/15Rick Graham

See More Articles
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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 67 0 62.0 5-3 12 8 3.63 1.24 3.72 4.54 3.92 4.49 25.0% 11.9% 6.7 1.31 .243 27.3% 77.2% 32.3% 41.1% 13.0% 27.1% 0.47 4.75
RP MLB Percentile 88 0 69 75-32 92 61 62 64 64 32 68 11 68 25 81 31 85 10 71 82 36 66 31 39 10
RP MLB AVG 42 2 52.0 3-3 3 7 4.19 1.34 4.16 4.17 4.24 3.56 22.7% 9.8% 8.3 1.08 .291 17.6% 72.5% 36.8% 44.0% 12.2% 28.5% 0.50 4.94
Career 389 0 368.0 28-26 52 86 3.52 1.22 3.73 3.91 3.89 3.06 27.4% 10.7% 6.9 1.08 .266 25.4% 74.5% 28.1% 42.7% 14.4% 29.0% 0.52 4.87

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 67 0 62.0 5-3 0 12 8 1,112 676 436 260 46 31 5 1 9 65 31 3 6
RP MLB Percentile 88 0 69 75-32 0 92 61 77 73 17 67 41 41 68 22 17 72 17 30 4
RP MLB AVG 42 2 52.0 3-3 0 3 7 884 565 319 227 48 32 9 1 6 52 21 3 2
Career 389 0 368.0 28-26 0 52 86 6,369 3,945 2,424 1,551 282 192 43 3 44 425 166 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 25.0% 11.9% .204 .356 .664 .296 .243 .286 .208 .301 .257 .344 87.1 88.0 16.6 3.72
RP MLB Percentile 68 25 83 65 69 69 85 77 78 64 77 60 62 70 26 64
RP MLB AVG 22.7% 9.8% .241 .389 .712 .314 .291 .321 .235 .314 .280 .358 87.6 89.3 13.1 4.16
Career 27.4% 10.7% .208 .341 .642 .289 .266 .300 .192 .289 .263 .357 87.1 88.8 14.3 3.73

Seranthony Domínguez Pitch › Mix

Hide 2026 MLB Percentile | Hide 2026 MLB Average
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/CHW43.2% (97.3)16.5% (97.6)--27.7% (85.1)1.4% (83.4)-11.3% (85.9)- 59.6% 40.4%
RP MLB Percentile 60 (86) 31 (91) - - 74 (84) 2 (78) - 33 (43) - 80.0% 19.4%
RP MLB AVG 38.7% (94.7) 26.6% (94.1) 19.7% (89.4) 25.8% (86.1) 20.7% (82.3) 15.3% (80.3) 17.7% (86.1) 18.9% (86.6) 42.7% (61.5) 48.7% 51.2%
Career37.0% (97.5)16.7% (98.0)-15.8% (89.1)8.5% (85.7)1.1% (83.6)1.6% (91.2)4.8% (86.6)- 53.7% 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/CHW28.5% (59)21.3% (11)--26.9% (40)33.3% (2)-29.4% (33)- 26.5% 27.8%
RP MLB Percentile 59 (15) 15 (40) - - 38 (15) 75 (71) - 79 (24) - 33.7% 41.4%
RP MLB AVG 27.2% (32) 27.6% (13) 27.0% (15) 29.7% (28) 28.5% (20) 27.4% (15) 22.4% (21) 22.6% (21) 19.3% (9) 27.9% 28.8%
Career29.0% (314)21.2% (65)-32.4% (202)30.3% (92)30.4% (4)19.6% (10)28.2% (78)- 26.6% 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 41.1% 22.2% 20.9% 15.8% 32.3% 42.2% 31.1% 26.7% 19.2% 67.1% 20.9% 5.1% 7.0% 32.3%
RP MLB Percentile 36 44 27 90 65 59 27 60 67 81 83 60 41 82
RP MLB AVG 44.0% 21.7% 24.1% 10.2% 34.6% 40.9% 33.7% 25.4% 18.1% 63.0% 24.5% 5.8% 6.8% 36.8%
Career 42.7% 21.4% 23.5% 12.3% 34.9% 43.7% 32.0% 24.3% 18.2% 64.2% 22.9% 4.9% 8.0% 28.1%

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 .204 .296 .243 .286 .208 .301 .257 .344 87.1 88.0 16.6 27.3% 32.3% 20.0%
RP MLB Percentile 83 69 85 77 78 64 77 60 62 70 26 10 82 86
RP MLB AVG .241 .314 .291 .321 .235 .314 .280 .358 87.6 89.3 13.1 17.6% 36.8% 24.4%
Career .208 .289 .266 .300 .192 .289 .263 .357 87.1 88.8 14.3 25.4% 28.1% 17.0%

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 42.9% 60.8% 46.8% 30.1% 27.9% 19.2% 72.1% 81.2% 56.5% 14.0% 13.0% 27.1% 14.5% 56.7% 0.47 51.4%
RP MLB Percentile 28 13 42 35 68 67 68 75 62 13 66 31 13 26 39 52
RP MLB AVG 44.5% 63.8% 47.4% 31.7% 25.6% 18.1% 74.4% 83.9% 58.5% 16.4% 12.2% 28.5% 17.1% 58.3% 0.50 51.2%
Career 34.1% 61.9% 47.4% 29.7% 30.4% 18.2% 69.6% 80.2% 52.5% 14.6% 14.4% 29.0% 14.8% 57.5% 0.52 53.7%

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 42.9% 33.7% 24.5% 41.8% 36.8% 21.9% 41.4% 31.0% 44.5% 5.6%
RP MLB Percentile 28 45 77 72 53 60 55 61 60 14
RP MLB AVG 44.5% 34.6% 27.0% 38.4% 36.2% 22.9% 40.9% 29.9% 43.1% 6.6%
Career 34.1% 34.0% 24.1% 41.9% 30.7% 24.2% 45.2% 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 56.5% 13.9% 30.2% 10.2% 59.9% 53.4% 19.3% 27.1% 19.3%
RP MLB Percentile 17 19 55 4 38 77 27 53 50
RP MLB AVG 58.5% 12.1% 29.9% 14.5% 61.0% 50.1% 21.1% 26.7% 19.3%
Career 57.2% 12.7% 30.5% 12.2% 58.1% 49.8% 18.6% 18.9% 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 1,112 4.75 41.9% 17.0% 41.1% 0.8% 3.4% -7.9 -12 4.49
RP MLB Percentile 77 10 11 38 9 9 81 85 92 11
RP MLB AVG 884 4.94 45.8% 17.4% 36.8% 9.1% 4.7% 0.6 -1 3.56
Career 6,369 4.87 44.5% 16.1% 39.4% 5.1% 3.6% -9.1 -8 3.06
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