
Seranthony Domínguez
Seattle MarinersP
Age: 31
Bats/Throws: R/R
6'1" / 225
DOB: 11/25/1994
(31 years, 11 months, 8 days)
P
| Season | 2026 | 2027 | Total |
| Team | - - - | FGDC | - - - |
| Level | MLB | PROJ | MLB |
| G | 67 | 61 | 389 |
| GS | 0 | 0 | 0 |
| IP | 62.0 | 61.0 | 368.0 |
| K% | 25.0% | 26.6% | 27.4% |
| BB% | 11.9% | 11.1% | 10.7% |
| GB% | 42.2% | 44.8% | |
| ERA | 3.63 | 3.68 | 3.52 |
| FIP | 4.54 | 3.87 | 3.91 |
| WAR | 0.0 | 0.4 | 3.4 |
2026 Pitch
Selection
Selection
FA:43%
SL:28%
SI:16%
FS:11%
News
Rotowire: The Mariners acquired Dominguez, outfielder Nolan Jones and catcher Boston Smith from the White Sox on Saturday in exchange for right-hander Luis Castillo, Jeff Passan of ESPN.com reports. (8/1/2026)
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| Season | Handedness | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L | 29.0 | - - - | 127 | 22 | 4 | 0 | 14 | 12 | 3 | 18 | 2 | 2 | 32 | .208 | .331 | .330 | .297 |
| 2026 | vs R | 33.0 | - - - | 133 | 24 | 1 | 1 | 14 | 13 | 6 | 13 | 0 | 1 | 33 | .202 | .286 | .378 | .295 |
| Season | Home / Away | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Home | 35.2 | 3.79 | 151 | 27 | 4 | 0 | 18 | 15 | 6 | 18 | 1 | 2 | 41 | .208 | .311 | .377 | .305 |
| 2026 | Away | 26.1 | 3.42 | 109 | 19 | 1 | 1 | 10 | 10 | 3 | 13 | 1 | 1 | 24 | .200 | .303 | .326 | .283 |
| 2026 | Home vs L | 17.1 | - - - | 78 | 15 | 4 | 0 | 11 | 9 | 2 | 11 | 1 | 1 | 20 | .231 | .346 | .385 | .323 |
| 2026 | Home vs R | 18.1 | - - - | 73 | 12 | 0 | 0 | 7 | 6 | 4 | 7 | 0 | 1 | 21 | .185 | .274 | .369 | .287 |
| 2026 | Away vs L | 11.2 | - - - | 49 | 7 | 0 | 0 | 3 | 3 | 1 | 7 | 1 | 1 | 12 | .171 | .306 | .244 | .256 |
| 2026 | Away vs R | 14.2 | - - - | 60 | 12 | 1 | 1 | 7 | 7 | 2 | 6 | 0 | 0 | 12 | .222 | .300 | .389 | .304 |
| Season | Monthly | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Mar/Apr | 13.0 | 4.15 | 58 | 8 | 1 | 0 | 8 | 6 | 3 | 9 | 1 | 2 | 16 | .174 | .328 | .391 | .316 |
| 2026 | May | 9.2 | 3.72 | 39 | 7 | 1 | 0 | 5 | 4 | 2 | 2 | 0 | 0 | 12 | .189 | .231 | .378 | .265 |
| 2026 | Jun | 6.2 | 5.40 | 31 | 8 | 2 | 0 | 4 | 4 | 0 | 5 | 0 | 0 | 7 | .308 | .419 | .385 | .366 |
| 2026 | Jul | 8.0 | 3.38 | 34 | 5 | 0 | 0 | 3 | 3 | 1 | 7 | 1 | 0 | 10 | .185 | .353 | .296 | .297 |
| 2026 | Aug | 13.1 | 5.40 | 57 | 11 | 0 | 1 | 8 | 8 | 3 | 7 | 0 | 1 | 12 | .224 | .333 | .449 | .344 |
| 2026 | Sept/Oct | 11.1 | 0.00 | 41 | 7 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 8 | .175 | .195 | .200 | .178 |
| 2026 | 1st Half | 32.2 | 4.41 | 142 | 24 | 4 | 0 | 19 | 16 | 5 | 20 | 1 | 2 | 40 | .202 | .324 | .361 | .308 |
| 2026 | 2nd Half | 29.1 | 2.76 | 118 | 22 | 1 | 1 | 9 | 9 | 4 | 11 | 1 | 1 | 25 | .208 | .288 | .349 | .282 |
| Season | Leverage | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Low Leverage | 27.1 | - - - | 113 | 19 | 1 | 1 | 9 | 9 | 5 | 15 | 0 | 2 | 27 | .198 | .319 | .385 | .316 |
| 2026 | Medium Leverage | 16.0 | - - - | 68 | 12 | 2 | 0 | 3 | 3 | 1 | 8 | 0 | 0 | 14 | .200 | .294 | .283 | .267 |
| 2026 | High Leverage | 18.2 | - - - | 79 | 15 | 2 | 0 | 16 | 13 | 3 | 8 | 2 | 1 | 24 | .217 | .304 | .377 | .292 |
| Season | Situational | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Bases Empty | 29.0 | - - - | 135 | 28 | 3 | 1 | 5 | 5 | 5 | 19 | 0 | 1 | 32 | .243 | .356 | .417 | .345 |
| 2026 | Men on Base | 33.0 | - - - | 125 | 18 | 2 | 0 | 23 | 20 | 4 | 12 | 2 | 2 | 33 | .164 | .256 | .291 | .243 |
| 2026 | Men In Scoring | 18.1 | - - - | 79 | 11 | 0 | 0 | 22 | 19 | 4 | 10 | 2 | 2 | 21 | .167 | .291 | .348 | .279 |
| Season | Through Count | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Through 3 - 0 | 1.0 | - - - | 18 | 3 | 0 | 0 | 5 | 4 | 2 | 13 | 2 | 0 | 0 | .600 | .889 | 1.800 | .792 |
| 2026 | Through 3 - 1 | 3.1 | - - - | 31 | 5 | 0 | 0 | 6 | 5 | 3 | 16 | 0 | 0 | 2 | .333 | .677 | .933 | .616 |
| 2026 | Through 3 - 2 | 5.2 | - - - | 37 | 7 | 1 | 0 | 4 | 3 | 0 | 12 | 0 | 0 | 10 | .280 | .514 | .320 | .405 |
| 2026 | Through 2 - 0 | 6.0 | - - - | 39 | 9 | 0 | 1 | 6 | 5 | 2 | 14 | 2 | 0 | 1 | .360 | .590 | .680 | .525 |
| 2026 | Through 1 - 0 | 23.0 | - - - | 103 | 17 | 0 | 0 | 12 | 10 | 3 | 21 | 2 | 0 | 19 | .207 | .369 | .317 | .316 |
| 2026 | Through 2 - 1 | 15.0 | - - - | 69 | 11 | 0 | 0 | 7 | 7 | 3 | 14 | 0 | 0 | 14 | .200 | .362 | .364 | .334 |
| 2026 | Through 1 - 1 | 29.0 | - - - | 125 | 19 | 1 | 0 | 12 | 10 | 3 | 15 | 0 | 3 | 41 | .179 | .296 | .274 | .267 |
| 2026 | Through 0 - 1 | 36.0 | - - - | 141 | 21 | 3 | 1 | 12 | 11 | 4 | 10 | 0 | 3 | 46 | .165 | .241 | .299 | .243 |
| 2026 | Through 2 - 2 | 18.2 | - - - | 77 | 14 | 1 | 0 | 10 | 9 | 3 | 6 | 0 | 1 | 28 | .200 | .273 | .343 | .276 |
| 2026 | Through 1 - 2 | 22.2 | - - - | 88 | 13 | 2 | 1 | 6 | 4 | 1 | 4 | 0 | 2 | 43 | .160 | .216 | .247 | .209 |
| 2026 | Through 0 - 2 | 14.1 | - - - | 51 | 6 | 1 | 1 | 3 | 3 | 1 | 2 | 0 | 0 | 23 | .122 | .157 | .245 | .176 |
| Season | SP / RP | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | As Reliever | 62.0 | 3.63 | 260 | 46 | 5 | 1 | 28 | 25 | 9 | 31 | 2 | 3 | 65 | .204 | .308 | .356 | .296 |
| Season | Shifts | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | No Shift | 8.1 | - - - | 30 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .167 | .167 | .167 | .148 |
| 2026 | Shift - All | 28.2 | - - - | 122 | 32 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .264 | .262 | .322 | .254 |
| 2026 | Shift - Traditional | 25.1 | - - - | 104 | 24 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .231 | .231 | .288 | .226 |
| 2026 | Shift - Non Traditional | 3.1 | - - - | 18 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .471 | .444 | .529 | .416 |
| Season | TTO | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | 1st Through Order as RP | 62.0 | 3.63 | 260 | 46 | 5 | 1 | 28 | 25 | 9 | 31 | 2 | 3 | 65 | .204 | .308 | .356 | .296 |
| Season | Handedness | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L | 29.0 | - - - | 127 | 22 | 4 | 0 | 14 | 12 | 3 | 18 | 2 | 2 | 32 | .208 | .331 | .330 | .297 |
| 2026 | vs R | 33.0 | - - - | 133 | 24 | 1 | 1 | 14 | 13 | 6 | 13 | 0 | 1 | 33 | .202 | .286 | .378 | .295 |
| Season | Home / Away | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Home | 35.2 | 3.79 | 151 | 27 | 4 | 0 | 18 | 15 | 6 | 18 | 1 | 2 | 41 | .208 | .311 | .377 | .305 |
| 2026 | Away | 26.1 | 3.42 | 109 | 19 | 1 | 1 | 10 | 10 | 3 | 13 | 1 | 1 | 24 | .200 | .303 | .326 | .283 |
| 2026 | Home vs L | 17.1 | - - - | 78 | 15 | 4 | 0 | 11 | 9 | 2 | 11 | 1 | 1 | 20 | .231 | .346 | .385 | .323 |
| 2026 | Home vs R | 18.1 | - - - | 73 | 12 | 0 | 0 | 7 | 6 | 4 | 7 | 0 | 1 | 21 | .185 | .274 | .369 | .287 |
| 2026 | Away vs L | 11.2 | - - - | 49 | 7 | 0 | 0 | 3 | 3 | 1 | 7 | 1 | 1 | 12 | .171 | .306 | .244 | .256 |
| 2026 | Away vs R | 14.2 | - - - | 60 | 12 | 1 | 1 | 7 | 7 | 2 | 6 | 0 | 0 | 12 | .222 | .300 | .389 | .304 |
| Season | Monthly | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Mar/Apr | 13.0 | 4.15 | 58 | 8 | 1 | 0 | 8 | 6 | 3 | 9 | 1 | 2 | 16 | .174 | .328 | .391 | .316 |
| 2026 | May | 9.2 | 3.72 | 39 | 7 | 1 | 0 | 5 | 4 | 2 | 2 | 0 | 0 | 12 | .189 | .231 | .378 | .265 |
| 2026 | Jun | 6.2 | 5.40 | 31 | 8 | 2 | 0 | 4 | 4 | 0 | 5 | 0 | 0 | 7 | .308 | .419 | .385 | .366 |
| 2026 | Jul | 8.0 | 3.38 | 34 | 5 | 0 | 0 | 3 | 3 | 1 | 7 | 1 | 0 | 10 | .185 | .353 | .296 | .297 |
| 2026 | Aug | 13.1 | 5.40 | 57 | 11 | 0 | 1 | 8 | 8 | 3 | 7 | 0 | 1 | 12 | .224 | .333 | .449 | .344 |
| 2026 | Sept/Oct | 11.1 | 0.00 | 41 | 7 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 8 | .175 | .195 | .200 | .178 |
| 2026 | 1st Half | 32.2 | 4.41 | 142 | 24 | 4 | 0 | 19 | 16 | 5 | 20 | 1 | 2 | 40 | .202 | .324 | .361 | .308 |
| 2026 | 2nd Half | 29.1 | 2.76 | 118 | 22 | 1 | 1 | 9 | 9 | 4 | 11 | 1 | 1 | 25 | .208 | .288 | .349 | .282 |
| Season | Leverage | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Low Leverage | 27.1 | - - - | 113 | 19 | 1 | 1 | 9 | 9 | 5 | 15 | 0 | 2 | 27 | .198 | .319 | .385 | .316 |
| 2026 | Medium Leverage | 16.0 | - - - | 68 | 12 | 2 | 0 | 3 | 3 | 1 | 8 | 0 | 0 | 14 | .200 | .294 | .283 | .267 |
| 2026 | High Leverage | 18.2 | - - - | 79 | 15 | 2 | 0 | 16 | 13 | 3 | 8 | 2 | 1 | 24 | .217 | .304 | .377 | .292 |
| Season | Situational | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Bases Empty | 29.0 | - - - | 135 | 28 | 3 | 1 | 5 | 5 | 5 | 19 | 0 | 1 | 32 | .243 | .356 | .417 | .345 |
| 2026 | Men on Base | 33.0 | - - - | 125 | 18 | 2 | 0 | 23 | 20 | 4 | 12 | 2 | 2 | 33 | .164 | .256 | .291 | .243 |
| 2026 | Men In Scoring | 18.1 | - - - | 79 | 11 | 0 | 0 | 22 | 19 | 4 | 10 | 2 | 2 | 21 | .167 | .291 | .348 | .279 |
| Season | Through Count | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Through 3 - 0 | 1.0 | - - - | 18 | 3 | 0 | 0 | 5 | 4 | 2 | 13 | 2 | 0 | 0 | .600 | .889 | 1.800 | .792 |
| 2026 | Through 3 - 1 | 3.1 | - - - | 31 | 5 | 0 | 0 | 6 | 5 | 3 | 16 | 0 | 0 | 2 | .333 | .677 | .933 | .616 |
| 2026 | Through 3 - 2 | 5.2 | - - - | 37 | 7 | 1 | 0 | 4 | 3 | 0 | 12 | 0 | 0 | 10 | .280 | .514 | .320 | .405 |
| 2026 | Through 2 - 0 | 6.0 | - - - | 39 | 9 | 0 | 1 | 6 | 5 | 2 | 14 | 2 | 0 | 1 | .360 | .590 | .680 | .525 |
| 2026 | Through 1 - 0 | 23.0 | - - - | 103 | 17 | 0 | 0 | 12 | 10 | 3 | 21 | 2 | 0 | 19 | .207 | .369 | .317 | .316 |
| 2026 | Through 2 - 1 | 15.0 | - - - | 69 | 11 | 0 | 0 | 7 | 7 | 3 | 14 | 0 | 0 | 14 | .200 | .362 | .364 | .334 |
| 2026 | Through 1 - 1 | 29.0 | - - - | 125 | 19 | 1 | 0 | 12 | 10 | 3 | 15 | 0 | 3 | 41 | .179 | .296 | .274 | .267 |
| 2026 | Through 0 - 1 | 36.0 | - - - | 141 | 21 | 3 | 1 | 12 | 11 | 4 | 10 | 0 | 3 | 46 | .165 | .241 | .299 | .243 |
| 2026 | Through 2 - 2 | 18.2 | - - - | 77 | 14 | 1 | 0 | 10 | 9 | 3 | 6 | 0 | 1 | 28 | .200 | .273 | .343 | .276 |
| 2026 | Through 1 - 2 | 22.2 | - - - | 88 | 13 | 2 | 1 | 6 | 4 | 1 | 4 | 0 | 2 | 43 | .160 | .216 | .247 | .209 |
| 2026 | Through 0 - 2 | 14.1 | - - - | 51 | 6 | 1 | 1 | 3 | 3 | 1 | 2 | 0 | 0 | 23 | .122 | .157 | .245 | .176 |
| Season | SP / RP | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | As Reliever | 62.0 | 3.63 | 260 | 46 | 5 | 1 | 28 | 25 | 9 | 31 | 2 | 3 | 65 | .204 | .308 | .356 | .296 |
| Season | Shifts | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | No Shift | 8.1 | - - - | 30 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .167 | .167 | .167 | .148 |
| 2026 | Shift - All | 28.2 | - - - | 122 | 32 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .264 | .262 | .322 | .254 |
| 2026 | Shift - Traditional | 25.1 | - - - | 104 | 24 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .231 | .231 | .288 | .226 |
| 2026 | Shift - Non Traditional | 3.1 | - - - | 18 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .471 | .444 | .529 | .416 |
| Season | TTO | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | 1st Through Order as RP | 62.0 | 3.63 | 260 | 46 | 5 | 1 | 28 | 25 | 9 | 31 | 2 | 3 | 65 | .204 | .308 | .356 | .296 |

