
Kenley Jansen
Detroit TigersP
Age: 39
Bats/Throws: B/R
6'5" / 265
DOB: 9/30/1987
(39 years, 24 days)
P
| Season | 2026 | 2026 | Total |
| Team | FGDC | DET | - - - |
| Level | PROJ | MLB | MLB |
| G | 60 | 50 | 983 |
| GS | 0 | 0 | 0 |
| IP | 60.0 | 45.0 | 972.1 |
| K% | 24.1% | 28.3% | 34.4% |
| BB% | 8.6% | 12.8% | 7.9% |
| GB% | 22.5% | 31.9% | |
| ERA | 4.10 | 3.20 | 2.60 |
| FIP | 4.14 | 4.46 | 2.71 |
| WAR | 0.3 | 0.3 | 25.6 |
2026 Pitch
Selection
Selection
FC:83%
SL:10%
SI:7%
RosterResource
| How Acquired: | Free Agent (LAA) Dec'25 |
| Birthplace: | Curacao |
| Contract | 1 yr, $11M (2026) (RR) |
Free Agent | AAV: $11.00M |
| Options | 2027 club option |
Service Time
15.073MiLB Options
n/a
News
Rotowire: Jansen struck out two batters in a clean ninth inning to earn the save in Friday's 8-7 win over the Pirates. (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 | 24.2 | - - - | 100 | 10 | 1 | 0 | 10 | 9 | 4 | 17 | 1 | 0 | 30 | .120 | .270 | .277 | .253 |
| 2026 | vs R | 20.1 | - - - | 80 | 14 | 1 | 0 | 8 | 7 | 3 | 6 | 0 | 1 | 21 | .197 | .263 | .338 | .265 |
| Season | Home / Away | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Home | 25.0 | 1.80 | 98 | 11 | 0 | 0 | 6 | 5 | 1 | 13 | 0 | 1 | 21 | .134 | .255 | .171 | .212 |
| 2026 | Away | 20.0 | 4.95 | 82 | 13 | 2 | 0 | 12 | 11 | 6 | 10 | 1 | 0 | 30 | .181 | .280 | .458 | .315 |
| 2026 | Home vs L | 13.2 | - - - | 52 | 3 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 14 | .070 | .231 | .070 | .172 |
| 2026 | Home vs R | 11.1 | - - - | 46 | 8 | 0 | 0 | 6 | 5 | 1 | 4 | 0 | 1 | 7 | .205 | .283 | .282 | .257 |
| 2026 | Away vs L | 11.0 | - - - | 48 | 7 | 1 | 0 | 10 | 9 | 4 | 8 | 1 | 0 | 16 | .175 | .313 | .500 | .343 |
| 2026 | Away vs R | 9.0 | - - - | 34 | 6 | 1 | 0 | 2 | 2 | 2 | 2 | 0 | 0 | 14 | .188 | .235 | .406 | .277 |
| Season | Monthly | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Mar/Apr | 7.1 | 6.14 | 34 | 8 | 0 | 0 | 5 | 5 | 3 | 4 | 0 | 0 | 9 | .267 | .353 | .567 | .394 |
| 2026 | May | 7.2 | 3.52 | 28 | 1 | 0 | 0 | 3 | 3 | 1 | 5 | 0 | 0 | 10 | .043 | .214 | .174 | .198 |
| 2026 | Jun | 5.1 | 6.75 | 23 | 5 | 0 | 0 | 5 | 4 | 1 | 2 | 0 | 0 | 4 | .250 | .304 | .400 | .305 |
| 2026 | Jul | 8.1 | 0.00 | 35 | 3 | 1 | 0 | 0 | 0 | 0 | 7 | 1 | 0 | 9 | .107 | .286 | .143 | .213 |
| 2026 | Aug | 7.0 | 5.14 | 28 | 5 | 1 | 0 | 4 | 4 | 2 | 2 | 0 | 0 | 9 | .200 | .250 | .480 | .305 |
| 2026 | Sept/Oct | 9.1 | 0.00 | 32 | 2 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 1 | 10 | .071 | .188 | .071 | .144 |
| 2026 | 1st Half | 23.2 | 4.56 | 99 | 16 | 0 | 0 | 13 | 12 | 5 | 13 | 0 | 0 | 25 | .188 | .293 | .365 | .294 |
| 2026 | 2nd Half | 21.1 | 1.69 | 81 | 8 | 2 | 0 | 5 | 4 | 2 | 10 | 1 | 1 | 26 | .116 | .235 | .232 | .215 |
| Season | Leverage | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Low Leverage | 16.0 | - - - | 65 | 7 | 0 | 0 | 1 | 1 | 0 | 9 | 0 | 1 | 21 | .127 | .262 | .127 | .204 |
| 2026 | Medium Leverage | 13.0 | - - - | 49 | 7 | 1 | 0 | 5 | 5 | 2 | 4 | 0 | 0 | 14 | .159 | .224 | .318 | .239 |
| 2026 | High Leverage | 16.0 | - - - | 66 | 10 | 1 | 0 | 12 | 10 | 5 | 10 | 1 | 0 | 16 | .182 | .303 | .473 | .329 |
| Season | Situational | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Bases Empty | 27.1 | - - - | 109 | 14 | 2 | 0 | 2 | 2 | 2 | 12 | 0 | 1 | 38 | .146 | .248 | .229 | .226 |
| 2026 | Men on Base | 17.2 | - - - | 71 | 10 | 0 | 0 | 16 | 14 | 5 | 11 | 1 | 0 | 13 | .172 | .296 | .431 | .310 |
| 2026 | Men In Scoring | 10.0 | - - - | 47 | 7 | 0 | 0 | 12 | 10 | 3 | 10 | 1 | 0 | 7 | .200 | .362 | .457 | .348 |
| Season | Through Count | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Through 3 - 0 | 0.2 | - - - | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 1 | 0 | 1 | .333 | .800 | .333 | .564 |
| 2026 | Through 3 - 1 | 3.0 | - - - | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 5 | .000 | .550 | .000 | .384 |
| 2026 | Through 3 - 2 | 5.2 | - - - | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 11 | .000 | .452 | .000 | .315 |
| 2026 | Through 2 - 0 | 3.1 | - - - | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 1 | 0 | 5 | .000 | .583 | .000 | .395 |
| 2026 | Through 1 - 0 | 16.2 | - - - | 69 | 3 | 0 | 0 | 4 | 4 | 1 | 17 | 1 | 1 | 13 | .060 | .304 | .120 | .231 |
| 2026 | Through 2 - 1 | 6.2 | - - - | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 1 | 8 | .000 | .412 | .000 | .288 |
| 2026 | Through 1 - 1 | 19.1 | - - - | 74 | 8 | 0 | 0 | 7 | 7 | 3 | 9 | 0 | 1 | 24 | .127 | .243 | .270 | .238 |
| 2026 | Through 0 - 1 | 23.1 | - - - | 95 | 20 | 2 | 0 | 13 | 11 | 6 | 6 | 0 | 0 | 38 | .225 | .274 | .449 | .313 |
| 2026 | Through 2 - 2 | 8.0 | - - - | 39 | 6 | 0 | 0 | 4 | 3 | 1 | 8 | 0 | 1 | 16 | .200 | .385 | .300 | .329 |
| 2026 | Through 1 - 2 | 14.2 | - - - | 54 | 9 | 0 | 0 | 7 | 6 | 3 | 3 | 0 | 0 | 26 | .176 | .222 | .353 | .252 |
| 2026 | Through 0 - 2 | 11.1 | - - - | 43 | 10 | 0 | 0 | 8 | 6 | 3 | 0 | 0 | 0 | 23 | .233 | .233 | .442 | .288 |
| Season | SP / RP | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | As Reliever | 45.0 | 3.20 | 180 | 24 | 2 | 0 | 18 | 16 | 7 | 23 | 1 | 1 | 51 | .156 | .267 | .305 | .259 |
| Season | Shifts | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | No Shift | 5.0 | - - - | 20 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .200 | .200 | .250 | .197 |
| 2026 | Shift - All | 21.1 | - - - | 78 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .171 | .167 | .184 | .153 |
| 2026 | Shift - Traditional | 19.1 | - - - | 71 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .186 | .183 | .200 | .168 |
| 2026 | Shift - Non Traditional | 2.0 | - - - | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 |
| 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 | 45.0 | 3.20 | 180 | 24 | 2 | 0 | 18 | 16 | 7 | 23 | 1 | 1 | 51 | .156 | .267 | .305 | .259 |
| Season | Handedness | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L | 24.2 | - - - | 100 | 10 | 1 | 0 | 10 | 9 | 4 | 17 | 1 | 0 | 30 | .120 | .270 | .277 | .253 |
| 2026 | vs R | 20.1 | - - - | 80 | 14 | 1 | 0 | 8 | 7 | 3 | 6 | 0 | 1 | 21 | .197 | .263 | .338 | .265 |
| Season | Home / Away | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Home | 25.0 | 1.80 | 98 | 11 | 0 | 0 | 6 | 5 | 1 | 13 | 0 | 1 | 21 | .134 | .255 | .171 | .212 |
| 2026 | Away | 20.0 | 4.95 | 82 | 13 | 2 | 0 | 12 | 11 | 6 | 10 | 1 | 0 | 30 | .181 | .280 | .458 | .315 |
| 2026 | Home vs L | 13.2 | - - - | 52 | 3 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 14 | .070 | .231 | .070 | .172 |
| 2026 | Home vs R | 11.1 | - - - | 46 | 8 | 0 | 0 | 6 | 5 | 1 | 4 | 0 | 1 | 7 | .205 | .283 | .282 | .257 |
| 2026 | Away vs L | 11.0 | - - - | 48 | 7 | 1 | 0 | 10 | 9 | 4 | 8 | 1 | 0 | 16 | .175 | .313 | .500 | .343 |
| 2026 | Away vs R | 9.0 | - - - | 34 | 6 | 1 | 0 | 2 | 2 | 2 | 2 | 0 | 0 | 14 | .188 | .235 | .406 | .277 |
| Season | Monthly | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Mar/Apr | 7.1 | 6.14 | 34 | 8 | 0 | 0 | 5 | 5 | 3 | 4 | 0 | 0 | 9 | .267 | .353 | .567 | .394 |
| 2026 | May | 7.2 | 3.52 | 28 | 1 | 0 | 0 | 3 | 3 | 1 | 5 | 0 | 0 | 10 | .043 | .214 | .174 | .198 |
| 2026 | Jun | 5.1 | 6.75 | 23 | 5 | 0 | 0 | 5 | 4 | 1 | 2 | 0 | 0 | 4 | .250 | .304 | .400 | .305 |
| 2026 | Jul | 8.1 | 0.00 | 35 | 3 | 1 | 0 | 0 | 0 | 0 | 7 | 1 | 0 | 9 | .107 | .286 | .143 | .213 |
| 2026 | Aug | 7.0 | 5.14 | 28 | 5 | 1 | 0 | 4 | 4 | 2 | 2 | 0 | 0 | 9 | .200 | .250 | .480 | .305 |
| 2026 | Sept/Oct | 9.1 | 0.00 | 32 | 2 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 1 | 10 | .071 | .188 | .071 | .144 |
| 2026 | 1st Half | 23.2 | 4.56 | 99 | 16 | 0 | 0 | 13 | 12 | 5 | 13 | 0 | 0 | 25 | .188 | .293 | .365 | .294 |
| 2026 | 2nd Half | 21.1 | 1.69 | 81 | 8 | 2 | 0 | 5 | 4 | 2 | 10 | 1 | 1 | 26 | .116 | .235 | .232 | .215 |
| Season | Leverage | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Low Leverage | 16.0 | - - - | 65 | 7 | 0 | 0 | 1 | 1 | 0 | 9 | 0 | 1 | 21 | .127 | .262 | .127 | .204 |
| 2026 | Medium Leverage | 13.0 | - - - | 49 | 7 | 1 | 0 | 5 | 5 | 2 | 4 | 0 | 0 | 14 | .159 | .224 | .318 | .239 |
| 2026 | High Leverage | 16.0 | - - - | 66 | 10 | 1 | 0 | 12 | 10 | 5 | 10 | 1 | 0 | 16 | .182 | .303 | .473 | .329 |
| Season | Situational | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Bases Empty | 27.1 | - - - | 109 | 14 | 2 | 0 | 2 | 2 | 2 | 12 | 0 | 1 | 38 | .146 | .248 | .229 | .226 |
| 2026 | Men on Base | 17.2 | - - - | 71 | 10 | 0 | 0 | 16 | 14 | 5 | 11 | 1 | 0 | 13 | .172 | .296 | .431 | .310 |
| 2026 | Men In Scoring | 10.0 | - - - | 47 | 7 | 0 | 0 | 12 | 10 | 3 | 10 | 1 | 0 | 7 | .200 | .362 | .457 | .348 |
| Season | Through Count | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Through 3 - 0 | 0.2 | - - - | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 1 | 0 | 1 | .333 | .800 | .333 | .564 |
| 2026 | Through 3 - 1 | 3.0 | - - - | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 5 | .000 | .550 | .000 | .384 |
| 2026 | Through 3 - 2 | 5.2 | - - - | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 11 | .000 | .452 | .000 | .315 |
| 2026 | Through 2 - 0 | 3.1 | - - - | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 1 | 0 | 5 | .000 | .583 | .000 | .395 |
| 2026 | Through 1 - 0 | 16.2 | - - - | 69 | 3 | 0 | 0 | 4 | 4 | 1 | 17 | 1 | 1 | 13 | .060 | .304 | .120 | .231 |
| 2026 | Through 2 - 1 | 6.2 | - - - | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 1 | 8 | .000 | .412 | .000 | .288 |
| 2026 | Through 1 - 1 | 19.1 | - - - | 74 | 8 | 0 | 0 | 7 | 7 | 3 | 9 | 0 | 1 | 24 | .127 | .243 | .270 | .238 |
| 2026 | Through 0 - 1 | 23.1 | - - - | 95 | 20 | 2 | 0 | 13 | 11 | 6 | 6 | 0 | 0 | 38 | .225 | .274 | .449 | .313 |
| 2026 | Through 2 - 2 | 8.0 | - - - | 39 | 6 | 0 | 0 | 4 | 3 | 1 | 8 | 0 | 1 | 16 | .200 | .385 | .300 | .329 |
| 2026 | Through 1 - 2 | 14.2 | - - - | 54 | 9 | 0 | 0 | 7 | 6 | 3 | 3 | 0 | 0 | 26 | .176 | .222 | .353 | .252 |
| 2026 | Through 0 - 2 | 11.1 | - - - | 43 | 10 | 0 | 0 | 8 | 6 | 3 | 0 | 0 | 0 | 23 | .233 | .233 | .442 | .288 |
| Season | SP / RP | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | As Reliever | 45.0 | 3.20 | 180 | 24 | 2 | 0 | 18 | 16 | 7 | 23 | 1 | 1 | 51 | .156 | .267 | .305 | .259 |
| Season | Shifts | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | No Shift | 5.0 | - - - | 20 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .200 | .200 | .250 | .197 |
| 2026 | Shift - All | 21.1 | - - - | 78 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .171 | .167 | .184 | .153 |
| 2026 | Shift - Traditional | 19.1 | - - - | 71 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .186 | .183 | .200 | .168 |
| 2026 | Shift - Non Traditional | 2.0 | - - - | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 |
| 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 | 45.0 | 3.20 | 180 | 24 | 2 | 0 | 18 | 16 | 7 | 23 | 1 | 1 | 51 | .156 | .267 | .305 | .259 |

