
Blake Treinen
Free AgentP
Age: 38
Bats/Throws: R/R
6'5" / 225
DOB: 6/30/1988
(38 years, 4 months, 15 days)
P
| Season | 2026 | 2027 | Total |
| Team | LAD | FGDC | - - - |
| Level | MLB | PROJ | MLB |
| G | 36 | 50 | 567 |
| GS | 0 | 0 | 7 |
| IP | 29.2 | 50.0 | 606.0 |
| K% | 23.8% | 24.6% | 24.9% |
| BB% | 10.0% | 9.3% | 9.4% |
| GB% | 44.4% | 54.2% | |
| ERA | 3.64 | 3.87 | 2.94 |
| FIP | 3.74 | 3.81 | 3.35 |
| WAR | 0.3 | 0.3 | 9.8 |
2026 Pitch
Selection
Selection
SL:40%
SI:37%
FA:12%
FC:11%
RosterResource
| Draft: | 2011, Rd: 7, Pick: 15, Ovr: 226 |
| Draft Team: | Oakland Athletics |
| School: | South Dakota State |
| Contract | 2 yr, $22M (2025-26) (RR) |
Free Agent | AAV: $11.00M |
Service Time
11.065MiLB Options
n/a
Free Agent
2027
News
Rotowire: President of baseball operations Andrew Friedman said Saturday that Treinen (shoulder) hasn't been ruled out for a return in the postseason, Jon Paul Hoornstra of Newsweek.com reports. (10/3/2026)
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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 | 11.0 | - - - | 46 | 12 | 5 | 1 | 6 | 6 | 1 | 3 | 1 | 1 | 12 | .293 | .348 | .537 | .367 |
| 2026 | vs R | 18.2 | - - - | 84 | 17 | 2 | 1 | 6 | 6 | 2 | 10 | 1 | 0 | 19 | .233 | .325 | .370 | .307 |
| Season | Home / Away | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Home | 15.0 | 3.00 | 65 | 14 | 4 | 0 | 5 | 5 | 1 | 6 | 1 | 0 | 17 | .241 | .313 | .362 | .295 |
| 2026 | Away | 14.2 | 4.30 | 65 | 15 | 3 | 2 | 7 | 7 | 2 | 7 | 1 | 1 | 14 | .268 | .354 | .500 | .361 |
| 2026 | Home vs L | 4.1 | - - - | 20 | 5 | 3 | 0 | 1 | 1 | 0 | 3 | 1 | 0 | 6 | .294 | .400 | .471 | .366 |
| 2026 | Home vs R | 10.2 | - - - | 45 | 9 | 1 | 0 | 4 | 4 | 1 | 3 | 0 | 0 | 11 | .220 | .273 | .317 | .264 |
| 2026 | Away vs L | 6.2 | - - - | 26 | 7 | 2 | 1 | 5 | 5 | 1 | 0 | 0 | 1 | 6 | .292 | .308 | .583 | .368 |
| 2026 | Away vs R | 8.0 | - - - | 39 | 8 | 1 | 1 | 2 | 2 | 1 | 7 | 1 | 0 | 8 | .250 | .385 | .438 | .356 |
| Season | Monthly | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Mar/Apr | 8.2 | 4.15 | 39 | 11 | 5 | 0 | 4 | 4 | 2 | 3 | 0 | 0 | 9 | .306 | .359 | .611 | .412 |
| 2026 | May | 9.0 | 2.00 | 36 | 5 | 1 | 0 | 2 | 2 | 0 | 3 | 2 | 1 | 9 | .156 | .250 | .188 | .184 |
| 2026 | Jun | 5.1 | 5.06 | 25 | 5 | 0 | 1 | 3 | 3 | 0 | 4 | 0 | 0 | 7 | .250 | .375 | .350 | .331 |
| 2026 | Sept/Oct | 6.2 | 4.05 | 30 | 8 | 1 | 1 | 3 | 3 | 1 | 3 | 0 | 0 | 6 | .308 | .367 | .538 | .382 |
| 2026 | 1st Half | 23.0 | 3.52 | 100 | 21 | 6 | 1 | 9 | 9 | 2 | 10 | 2 | 1 | 25 | .239 | .323 | .398 | .312 |
| 2026 | 2nd Half | 6.2 | 4.05 | 30 | 8 | 1 | 1 | 3 | 3 | 1 | 3 | 0 | 0 | 6 | .308 | .367 | .538 | .382 |
| Season | Leverage | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Low Leverage | 19.1 | - - - | 80 | 13 | 2 | 2 | 5 | 5 | 1 | 9 | 1 | 1 | 21 | .188 | .288 | .319 | .268 |
| 2026 | Medium Leverage | 7.1 | - - - | 36 | 12 | 4 | 0 | 4 | 4 | 0 | 2 | 0 | 0 | 5 | .364 | .400 | .485 | .388 |
| 2026 | High Leverage | 3.0 | - - - | 14 | 4 | 1 | 0 | 3 | 3 | 2 | 2 | 1 | 0 | 5 | .333 | .429 | .917 | .535 |
| Season | Situational | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Bases Empty | 13.1 | - - - | 63 | 16 | 4 | 1 | 2 | 2 | 2 | 6 | 0 | 1 | 13 | .286 | .365 | .500 | .376 |
| 2026 | Men on Base | 16.1 | - - - | 67 | 13 | 3 | 1 | 10 | 10 | 1 | 7 | 2 | 0 | 18 | .224 | .303 | .362 | .282 |
| 2026 | Men In Scoring | 10.1 | - - - | 45 | 9 | 1 | 1 | 10 | 10 | 1 | 6 | 2 | 0 | 10 | .243 | .341 | .405 | .310 |
| Season | Through Count | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Through 3 - 0 | 0.0 | - - - | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 2 | 0 | 0 | .000 | 1.000 | .000 | .698 |
| 2026 | Through 3 - 1 | 1.0 | - - - | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 1 | .000 | .625 | .000 | .436 |
| 2026 | Through 3 - 2 | 3.1 | - - - | 20 | 3 | 1 | 0 | 1 | 1 | 0 | 7 | 0 | 0 | 9 | .231 | .500 | .308 | .396 |
| 2026 | Through 2 - 0 | 2.2 | - - - | 18 | 3 | 2 | 0 | 0 | 0 | 0 | 8 | 2 | 0 | 3 | .300 | .611 | .500 | .475 |
| 2026 | Through 1 - 0 | 11.2 | - - - | 50 | 5 | 2 | 0 | 2 | 2 | 0 | 10 | 2 | 0 | 12 | .128 | .300 | .179 | .225 |
| 2026 | Through 2 - 1 | 3.2 | - - - | 23 | 5 | 2 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 4 | .313 | .522 | .438 | .438 |
| 2026 | Through 1 - 1 | 12.0 | - - - | 47 | 6 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 17 | .143 | .234 | .167 | .196 |
| 2026 | Through 0 - 1 | 14.1 | - - - | 63 | 19 | 5 | 2 | 8 | 8 | 2 | 3 | 0 | 0 | 19 | .317 | .349 | .567 | .390 |
| 2026 | Through 2 - 2 | 7.0 | - - - | 30 | 5 | 1 | 0 | 2 | 2 | 1 | 4 | 0 | 0 | 16 | .192 | .300 | .346 | .292 |
| 2026 | Through 1 - 2 | 10.1 | - - - | 39 | 8 | 1 | 1 | 4 | 4 | 1 | 1 | 0 | 0 | 20 | .211 | .231 | .368 | .258 |
| 2026 | Through 0 - 2 | 6.1 | - - - | 29 | 10 | 2 | 1 | 7 | 7 | 1 | 0 | 0 | 0 | 11 | .345 | .345 | .586 | .397 |
| Season | SP / RP | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | As Reliever | 29.2 | 3.64 | 130 | 29 | 7 | 2 | 12 | 12 | 3 | 13 | 2 | 1 | 31 | .254 | .333 | .430 | .328 |
| Season | Shifts | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | No Shift | 3.1 | - - - | 17 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .235 | .235 | .471 | .295 |
| 2026 | Shift - All | 13.2 | - - - | 65 | 22 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .349 | .344 | .460 | .346 |
| 2026 | Shift - Traditional | 13.1 | - - - | 59 | 19 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .328 | .322 | .448 | .330 |
| 2026 | Shift - Non Traditional | 0.1 | - - - | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .600 | .600 | .600 | .534 |
| 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 | 29.2 | 3.64 | 130 | 29 | 7 | 2 | 12 | 12 | 3 | 13 | 2 | 1 | 31 | .254 | .333 | .430 | .328 |
| Season | Handedness | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L | 11.0 | - - - | 46 | 12 | 5 | 1 | 6 | 6 | 1 | 3 | 1 | 1 | 12 | .293 | .348 | .537 | .367 |
| 2026 | vs R | 18.2 | - - - | 84 | 17 | 2 | 1 | 6 | 6 | 2 | 10 | 1 | 0 | 19 | .233 | .325 | .370 | .307 |
| Season | Home / Away | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Home | 15.0 | 3.00 | 65 | 14 | 4 | 0 | 5 | 5 | 1 | 6 | 1 | 0 | 17 | .241 | .313 | .362 | .295 |
| 2026 | Away | 14.2 | 4.30 | 65 | 15 | 3 | 2 | 7 | 7 | 2 | 7 | 1 | 1 | 14 | .268 | .354 | .500 | .361 |
| 2026 | Home vs L | 4.1 | - - - | 20 | 5 | 3 | 0 | 1 | 1 | 0 | 3 | 1 | 0 | 6 | .294 | .400 | .471 | .366 |
| 2026 | Home vs R | 10.2 | - - - | 45 | 9 | 1 | 0 | 4 | 4 | 1 | 3 | 0 | 0 | 11 | .220 | .273 | .317 | .264 |
| 2026 | Away vs L | 6.2 | - - - | 26 | 7 | 2 | 1 | 5 | 5 | 1 | 0 | 0 | 1 | 6 | .292 | .308 | .583 | .368 |
| 2026 | Away vs R | 8.0 | - - - | 39 | 8 | 1 | 1 | 2 | 2 | 1 | 7 | 1 | 0 | 8 | .250 | .385 | .438 | .356 |
| Season | Monthly | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Mar/Apr | 8.2 | 4.15 | 39 | 11 | 5 | 0 | 4 | 4 | 2 | 3 | 0 | 0 | 9 | .306 | .359 | .611 | .412 |
| 2026 | May | 9.0 | 2.00 | 36 | 5 | 1 | 0 | 2 | 2 | 0 | 3 | 2 | 1 | 9 | .156 | .250 | .188 | .184 |
| 2026 | Jun | 5.1 | 5.06 | 25 | 5 | 0 | 1 | 3 | 3 | 0 | 4 | 0 | 0 | 7 | .250 | .375 | .350 | .331 |
| 2026 | Sept/Oct | 6.2 | 4.05 | 30 | 8 | 1 | 1 | 3 | 3 | 1 | 3 | 0 | 0 | 6 | .308 | .367 | .538 | .382 |
| 2026 | 1st Half | 23.0 | 3.52 | 100 | 21 | 6 | 1 | 9 | 9 | 2 | 10 | 2 | 1 | 25 | .239 | .323 | .398 | .312 |
| 2026 | 2nd Half | 6.2 | 4.05 | 30 | 8 | 1 | 1 | 3 | 3 | 1 | 3 | 0 | 0 | 6 | .308 | .367 | .538 | .382 |
| Season | Leverage | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Low Leverage | 19.1 | - - - | 80 | 13 | 2 | 2 | 5 | 5 | 1 | 9 | 1 | 1 | 21 | .188 | .288 | .319 | .268 |
| 2026 | Medium Leverage | 7.1 | - - - | 36 | 12 | 4 | 0 | 4 | 4 | 0 | 2 | 0 | 0 | 5 | .364 | .400 | .485 | .388 |
| 2026 | High Leverage | 3.0 | - - - | 14 | 4 | 1 | 0 | 3 | 3 | 2 | 2 | 1 | 0 | 5 | .333 | .429 | .917 | .535 |
| Season | Situational | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Bases Empty | 13.1 | - - - | 63 | 16 | 4 | 1 | 2 | 2 | 2 | 6 | 0 | 1 | 13 | .286 | .365 | .500 | .376 |
| 2026 | Men on Base | 16.1 | - - - | 67 | 13 | 3 | 1 | 10 | 10 | 1 | 7 | 2 | 0 | 18 | .224 | .303 | .362 | .282 |
| 2026 | Men In Scoring | 10.1 | - - - | 45 | 9 | 1 | 1 | 10 | 10 | 1 | 6 | 2 | 0 | 10 | .243 | .341 | .405 | .310 |
| Season | Through Count | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Through 3 - 0 | 0.0 | - - - | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 2 | 0 | 0 | .000 | 1.000 | .000 | .698 |
| 2026 | Through 3 - 1 | 1.0 | - - - | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 1 | .000 | .625 | .000 | .436 |
| 2026 | Through 3 - 2 | 3.1 | - - - | 20 | 3 | 1 | 0 | 1 | 1 | 0 | 7 | 0 | 0 | 9 | .231 | .500 | .308 | .396 |
| 2026 | Through 2 - 0 | 2.2 | - - - | 18 | 3 | 2 | 0 | 0 | 0 | 0 | 8 | 2 | 0 | 3 | .300 | .611 | .500 | .475 |
| 2026 | Through 1 - 0 | 11.2 | - - - | 50 | 5 | 2 | 0 | 2 | 2 | 0 | 10 | 2 | 0 | 12 | .128 | .300 | .179 | .225 |
| 2026 | Through 2 - 1 | 3.2 | - - - | 23 | 5 | 2 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 4 | .313 | .522 | .438 | .438 |
| 2026 | Through 1 - 1 | 12.0 | - - - | 47 | 6 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 17 | .143 | .234 | .167 | .196 |
| 2026 | Through 0 - 1 | 14.1 | - - - | 63 | 19 | 5 | 2 | 8 | 8 | 2 | 3 | 0 | 0 | 19 | .317 | .349 | .567 | .390 |
| 2026 | Through 2 - 2 | 7.0 | - - - | 30 | 5 | 1 | 0 | 2 | 2 | 1 | 4 | 0 | 0 | 16 | .192 | .300 | .346 | .292 |
| 2026 | Through 1 - 2 | 10.1 | - - - | 39 | 8 | 1 | 1 | 4 | 4 | 1 | 1 | 0 | 0 | 20 | .211 | .231 | .368 | .258 |
| 2026 | Through 0 - 2 | 6.1 | - - - | 29 | 10 | 2 | 1 | 7 | 7 | 1 | 0 | 0 | 0 | 11 | .345 | .345 | .586 | .397 |
| Season | SP / RP | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | As Reliever | 29.2 | 3.64 | 130 | 29 | 7 | 2 | 12 | 12 | 3 | 13 | 2 | 1 | 31 | .254 | .333 | .430 | .328 |
| Season | Shifts | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | No Shift | 3.1 | - - - | 17 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .235 | .235 | .471 | .295 |
| 2026 | Shift - All | 13.2 | - - - | 65 | 22 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .349 | .344 | .460 | .346 |
| 2026 | Shift - Traditional | 13.1 | - - - | 59 | 19 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .328 | .322 | .448 | .330 |
| 2026 | Shift - Non Traditional | 0.1 | - - - | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .600 | .600 | .600 | .534 |
| 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 | 29.2 | 3.64 | 130 | 29 | 7 | 2 | 12 | 12 | 3 | 13 | 2 | 1 | 31 | .254 | .333 | .430 | .328 |

