Jack Ralston
Miami MarlinsP
Age: 29
Bats/Throws: R/R
6'6" / 231
DOB: 8/13/1997
(29 years, 2 months, 14 days)
P
| Season | 2026 | Total |
| Team | MIA | - - - |
| Level | MLB | MLB |
| G | 16 | 16 |
| GS | 1 | 1 |
| IP | 17.1 | 17.1 |
| K% | 24.7% | 24.7% |
| BB% | 11.7% | 11.7% |
| GB% | 47.8% | 47.8% |
| ERA | 5.71 | 5.71 |
| FIP | 6.39 | 6.39 |
| WAR | -0.4 | -0.4 |
2026 Pitch
Selection
Selection
FS:51%
FA:27%
SL:22%
RosterResource
| How Acquired: | Free Agent (STL) Dec'25 |
| Draft: | 2019, Rd: 7, Pick: 18, Ovr: 215 |
| Draft Team: | St. Louis Cardinals |
| Signing Bonus: | $204,800 |
| School: | UCLA |
Service Time
0.000MiLB Options
2
News
Rotowire: Ralston will start Saturday's game against Atlanta in Miami, Kevin Barral of FishonFirst.com reports. (9/26/2026)
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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 | 12.1 | - - - | 53 | 9 | 2 | 1 | 7 | 7 | 3 | 6 | 1 | 1 | 11 | .205 | .308 | .500 | .336 |
| 2026 | vs R | 5.0 | - - - | 24 | 6 | 0 | 0 | 4 | 4 | 2 | 3 | 0 | 0 | 8 | .286 | .375 | .571 | .406 |
| Season | Home / Away | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Home | 8.2 | 6.23 | 40 | 8 | 2 | 0 | 6 | 6 | 1 | 6 | 0 | 0 | 9 | .242 | .350 | .394 | .330 |
| 2026 | Away | 8.2 | 5.19 | 37 | 7 | 0 | 1 | 5 | 5 | 4 | 3 | 1 | 1 | 10 | .219 | .306 | .656 | .391 |
| 2026 | Home vs L | 5.2 | - - - | 27 | 5 | 2 | 0 | 5 | 5 | 1 | 5 | 0 | 0 | 5 | .238 | .370 | .476 | .365 |
| 2026 | Home vs R | 3.0 | - - - | 13 | 3 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 4 | .250 | .308 | .250 | .259 |
| 2026 | Away vs L | 6.2 | - - - | 26 | 4 | 0 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 6 | .174 | .240 | .522 | .305 |
| 2026 | Away vs R | 2.0 | - - - | 11 | 3 | 0 | 0 | 3 | 3 | 2 | 2 | 0 | 0 | 4 | .333 | .455 | 1.000 | .580 |
| Season | Monthly | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Aug | 5.0 | 1.80 | 19 | 4 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 4 | .211 | .211 | .368 | .248 |
| 2026 | Sept/Oct | 12.1 | 7.30 | 58 | 11 | 2 | 1 | 10 | 10 | 4 | 9 | 1 | 1 | 15 | .239 | .368 | .587 | .396 |
| 2026 | 2nd Half | 17.1 | 5.71 | 77 | 15 | 2 | 1 | 11 | 11 | 5 | 9 | 1 | 1 | 19 | .231 | .329 | .523 | .359 |
| Season | Leverage | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Low Leverage | 7.1 | - - - | 32 | 6 | 1 | 0 | 1 | 1 | 1 | 3 | 0 | 1 | 9 | .214 | .313 | .357 | .303 |
| 2026 | Medium Leverage | 7.2 | - - - | 34 | 8 | 1 | 1 | 8 | 8 | 3 | 3 | 0 | 0 | 9 | .267 | .324 | .667 | .405 |
| 2026 | High Leverage | 2.1 | - - - | 11 | 1 | 0 | 0 | 2 | 2 | 1 | 3 | 1 | 0 | 1 | .143 | .400 | .571 | .383 |
| Season | Situational | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Bases Empty | 9.2 | - - - | 43 | 9 | 2 | 1 | 2 | 2 | 2 | 4 | 0 | 1 | 12 | .237 | .326 | .500 | .356 |
| 2026 | Men on Base | 7.2 | - - - | 34 | 6 | 0 | 0 | 9 | 9 | 3 | 5 | 1 | 0 | 7 | .222 | .333 | .556 | .363 |
| 2026 | Men In Scoring | 4.2 | - - - | 21 | 3 | 0 | 0 | 8 | 8 | 2 | 4 | 1 | 0 | 4 | .188 | .333 | .563 | .354 |
| Season | Through Count | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Through 3 - 0 | 0.1 | - - - | 6 | 0 | 0 | 0 | 1 | 1 | 0 | 5 | 1 | 0 | 0 | .000 | .833 | .000 | .559 |
| 2026 | Through 3 - 1 | 1.0 | - - - | 7 | 0 | 0 | 0 | 2 | 2 | 0 | 4 | 0 | 0 | 0 | .000 | .571 | .000 | .399 |
| 2026 | Through 3 - 2 | 1.2 | - - - | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 4 | .000 | .500 | .000 | .352 |
| 2026 | Through 2 - 0 | 1.0 | - - - | 11 | 2 | 1 | 0 | 3 | 3 | 1 | 6 | 1 | 0 | 0 | .400 | .727 | 1.200 | .680 |
| 2026 | Through 1 - 0 | 6.2 | - - - | 38 | 8 | 2 | 0 | 7 | 7 | 4 | 9 | 1 | 1 | 4 | .308 | .486 | .846 | .523 |
| 2026 | Through 2 - 1 | 3.0 | - - - | 15 | 2 | 1 | 0 | 2 | 2 | 1 | 4 | 0 | 0 | 2 | .182 | .400 | .545 | .407 |
| 2026 | Through 1 - 1 | 7.0 | - - - | 30 | 5 | 0 | 0 | 3 | 3 | 2 | 3 | 0 | 1 | 9 | .200 | .310 | .440 | .331 |
| 2026 | Through 0 - 1 | 10.2 | - - - | 39 | 7 | 0 | 1 | 4 | 4 | 1 | 0 | 0 | 0 | 16 | .179 | .179 | .308 | .208 |
| 2026 | Through 2 - 2 | 3.1 | - - - | 14 | 2 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 7 | .167 | .286 | .500 | .338 |
| 2026 | Through 1 - 2 | 7.1 | - - - | 27 | 4 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 14 | .154 | .185 | .269 | .202 |
| 2026 | Through 0 - 2 | 5.2 | - - - | 22 | 5 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 10 | .227 | .227 | .318 | .234 |
| Season | SP / RP | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | As Starter | 1.1 | 20.25 | 8 | 3 | 1 | 0 | 3 | 3 | 1 | 1 | 0 | 0 | 2 | .500 | .500 | 1.167 | .612 |
| 2026 | As Reliever | 16.0 | 4.50 | 69 | 12 | 1 | 1 | 8 | 8 | 4 | 8 | 1 | 1 | 17 | .203 | .309 | .458 | .329 |
| Season | Shifts | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | No Shift | 0.2 | - - - | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .333 | .333 | .333 | .297 |
| 2026 | Shift - All | 10.0 | - - - | 40 | 9 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .237 | .231 | .342 | .243 |
| 2026 | Shift - Traditional | 8.1 | - - - | 32 | 7 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .219 | .219 | .344 | .240 |
| 2026 | Shift - Non Traditional | 1.2 | - - - | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .333 | .286 | .333 | .254 |
| Season | TTO | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | 1st Through Order as SP | 1.1 | 20.25 | 8 | 3 | 1 | 0 | 3 | 3 | 1 | 1 | 0 | 0 | 2 | .500 | .500 | 1.167 | .612 |
| 2026 | 1st Through Order as RP | 16.0 | 4.50 | 69 | 12 | 1 | 1 | 8 | 8 | 4 | 8 | 1 | 1 | 17 | .203 | .309 | .458 | .329 |
| Season | Handedness | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L | 12.1 | - - - | 53 | 9 | 2 | 1 | 7 | 7 | 3 | 6 | 1 | 1 | 11 | .205 | .308 | .500 | .336 |
| 2026 | vs R | 5.0 | - - - | 24 | 6 | 0 | 0 | 4 | 4 | 2 | 3 | 0 | 0 | 8 | .286 | .375 | .571 | .406 |
| Season | Home / Away | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Home | 8.2 | 6.23 | 40 | 8 | 2 | 0 | 6 | 6 | 1 | 6 | 0 | 0 | 9 | .242 | .350 | .394 | .330 |
| 2026 | Away | 8.2 | 5.19 | 37 | 7 | 0 | 1 | 5 | 5 | 4 | 3 | 1 | 1 | 10 | .219 | .306 | .656 | .391 |
| 2026 | Home vs L | 5.2 | - - - | 27 | 5 | 2 | 0 | 5 | 5 | 1 | 5 | 0 | 0 | 5 | .238 | .370 | .476 | .365 |
| 2026 | Home vs R | 3.0 | - - - | 13 | 3 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 4 | .250 | .308 | .250 | .259 |
| 2026 | Away vs L | 6.2 | - - - | 26 | 4 | 0 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 6 | .174 | .240 | .522 | .305 |
| 2026 | Away vs R | 2.0 | - - - | 11 | 3 | 0 | 0 | 3 | 3 | 2 | 2 | 0 | 0 | 4 | .333 | .455 | 1.000 | .580 |
| Season | Monthly | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Aug | 5.0 | 1.80 | 19 | 4 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 4 | .211 | .211 | .368 | .248 |
| 2026 | Sept/Oct | 12.1 | 7.30 | 58 | 11 | 2 | 1 | 10 | 10 | 4 | 9 | 1 | 1 | 15 | .239 | .368 | .587 | .396 |
| 2026 | 2nd Half | 17.1 | 5.71 | 77 | 15 | 2 | 1 | 11 | 11 | 5 | 9 | 1 | 1 | 19 | .231 | .329 | .523 | .359 |
| Season | Leverage | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Low Leverage | 7.1 | - - - | 32 | 6 | 1 | 0 | 1 | 1 | 1 | 3 | 0 | 1 | 9 | .214 | .313 | .357 | .303 |
| 2026 | Medium Leverage | 7.2 | - - - | 34 | 8 | 1 | 1 | 8 | 8 | 3 | 3 | 0 | 0 | 9 | .267 | .324 | .667 | .405 |
| 2026 | High Leverage | 2.1 | - - - | 11 | 1 | 0 | 0 | 2 | 2 | 1 | 3 | 1 | 0 | 1 | .143 | .400 | .571 | .383 |
| Season | Situational | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Bases Empty | 9.2 | - - - | 43 | 9 | 2 | 1 | 2 | 2 | 2 | 4 | 0 | 1 | 12 | .237 | .326 | .500 | .356 |
| 2026 | Men on Base | 7.2 | - - - | 34 | 6 | 0 | 0 | 9 | 9 | 3 | 5 | 1 | 0 | 7 | .222 | .333 | .556 | .363 |
| 2026 | Men In Scoring | 4.2 | - - - | 21 | 3 | 0 | 0 | 8 | 8 | 2 | 4 | 1 | 0 | 4 | .188 | .333 | .563 | .354 |
| Season | Through Count | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Through 3 - 0 | 0.1 | - - - | 6 | 0 | 0 | 0 | 1 | 1 | 0 | 5 | 1 | 0 | 0 | .000 | .833 | .000 | .559 |
| 2026 | Through 3 - 1 | 1.0 | - - - | 7 | 0 | 0 | 0 | 2 | 2 | 0 | 4 | 0 | 0 | 0 | .000 | .571 | .000 | .399 |
| 2026 | Through 3 - 2 | 1.2 | - - - | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 4 | .000 | .500 | .000 | .352 |
| 2026 | Through 2 - 0 | 1.0 | - - - | 11 | 2 | 1 | 0 | 3 | 3 | 1 | 6 | 1 | 0 | 0 | .400 | .727 | 1.200 | .680 |
| 2026 | Through 1 - 0 | 6.2 | - - - | 38 | 8 | 2 | 0 | 7 | 7 | 4 | 9 | 1 | 1 | 4 | .308 | .486 | .846 | .523 |
| 2026 | Through 2 - 1 | 3.0 | - - - | 15 | 2 | 1 | 0 | 2 | 2 | 1 | 4 | 0 | 0 | 2 | .182 | .400 | .545 | .407 |
| 2026 | Through 1 - 1 | 7.0 | - - - | 30 | 5 | 0 | 0 | 3 | 3 | 2 | 3 | 0 | 1 | 9 | .200 | .310 | .440 | .331 |
| 2026 | Through 0 - 1 | 10.2 | - - - | 39 | 7 | 0 | 1 | 4 | 4 | 1 | 0 | 0 | 0 | 16 | .179 | .179 | .308 | .208 |
| 2026 | Through 2 - 2 | 3.1 | - - - | 14 | 2 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 7 | .167 | .286 | .500 | .338 |
| 2026 | Through 1 - 2 | 7.1 | - - - | 27 | 4 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 14 | .154 | .185 | .269 | .202 |
| 2026 | Through 0 - 2 | 5.2 | - - - | 22 | 5 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 10 | .227 | .227 | .318 | .234 |
| Season | SP / RP | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | As Starter | 1.1 | 20.25 | 8 | 3 | 1 | 0 | 3 | 3 | 1 | 1 | 0 | 0 | 2 | .500 | .500 | 1.167 | .612 |
| 2026 | As Reliever | 16.0 | 4.50 | 69 | 12 | 1 | 1 | 8 | 8 | 4 | 8 | 1 | 1 | 17 | .203 | .309 | .458 | .329 |
| Season | Shifts | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | No Shift | 0.2 | - - - | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .333 | .333 | .333 | .297 |
| 2026 | Shift - All | 10.0 | - - - | 40 | 9 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .237 | .231 | .342 | .243 |
| 2026 | Shift - Traditional | 8.1 | - - - | 32 | 7 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .219 | .219 | .344 | .240 |
| 2026 | Shift - Non Traditional | 1.2 | - - - | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .333 | .286 | .333 | .254 |
| Season | TTO | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | 1st Through Order as SP | 1.1 | 20.25 | 8 | 3 | 1 | 0 | 3 | 3 | 1 | 1 | 0 | 0 | 2 | .500 | .500 | 1.167 | .612 |
| 2026 | 1st Through Order as RP | 16.0 | 4.50 | 69 | 12 | 1 | 1 | 8 | 8 | 4 | 8 | 1 | 1 | 17 | .203 | .309 | .458 | .329 |

