Jansen (49-36 career mark) has earned a FIP of 2.53 while he has faced 3,446 batters during his time in the major leagues. His earned run average is 2.57 (248 ER’s allowed) and his WHIP is 0.964. He has conceded 573 base knocks (5.9 hits per nine innings) and has had 263 free passes. Jansen has thrown 867 frames and has earned 1,221 strikeouts in his pro baseball career.
Kenley Jansen Stats
| Year | Team | G | IP | W | L | WHIP | ERA | H | BB | SO | FIP | SV | GS | HR | ER | R | BF | SO/W | H/9 | SO/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 871 | 867.4 | 49 | 36 | 0.964 | 2.57 | 573 | 263 | 1,221 | 2.53 | 447 | 0 | 80 | 248 | 266 | 3,446 | 4.64 | 5.9 | 12.7 | |
| 2024 | BOS | 54 | 54.2 | 4 | 2 | 1.061 | 3.29 | 38 | 20 | 62 | 3.00 | 27 | 0 | 4 | 20 | 20 | 218 | 3.10 | 6.3 | 10.2 |
| 2023 | BOS | 51 | 44.2 | 3 | 6 | 1.276 | 3.63 | 40 | 17 | 52 | 3.66 | 29 | 0 | 5 | 18 | 21 | 188 | 3.06 | 8.1 | 10.5 |
| 2022 | ATL | 65 | 64.0 | 5 | 2 | 1.047 | 3.38 | 45 | 22 | 85 | 3.21 | 41 | 0 | 8 | 24 | 25 | 260 | 3.86 | 6.3 | 12.0 |
| 2021 | LAD | 69 | 69.0 | 4 | 4 | 1.043 | 2.22 | 36 | 36 | 86 | 3.08 | 38 | 0 | 4 | 17 | 21 | 278 | 2.39 | 4.7 | 11.2 |
| 2020 | LAD | 27 | 24.1 | 3 | 1 | 1.151 | 3.33 | 19 | 9 | 33 | 3.03 | 11 | 0 | 2 | 9 | 11 | 102 | 3.67 | 7.0 | 12.2 |
| 2019 | LAD | 62 | 63.0 | 5 | 3 | 1.063 | 3.71 | 51 | 16 | 80 | 3.48 | 33 | 0 | 9 | 26 | 28 | 263 | 5.00 | 7.3 | 11.4 |
| 2018 | LAD | 69 | 71.2 | 1 | 5 | 0.991 | 3.01 | 54 | 17 | 82 | 4.03 | 38 | 0 | 13 | 24 | 28 | 289 | 4.82 | 6.8 | 10.3 |
| 2017 | LAD | 65 | 68.1 | 5 | 0 | 0.746 | 1.32 | 44 | 7 | 109 | 1.31 | 41 | 0 | 5 | 10 | 11 | 258 | 15.57 | 5.8 | 14.4 |
| 2016 | LAD | 71 | 68.2 | 3 | 2 | 0.670 | 1.83 | 35 | 11 | 104 | 1.44 | 47 | 0 | 4 | 14 | 14 | 251 | 9.45 | 4.6 | 13.6 |
| 2015 | LAD | 54 | 52.1 | 2 | 1 | 0.783 | 2.41 | 33 | 8 | 80 | 2.14 | 36 | 0 | 6 | 14 | 14 | 200 | 10.00 | 5.7 | 13.8 |
| 2014 | LAD | 68 | 65.1 | 2 | 3 | 1.133 | 2.76 | 55 | 19 | 101 | 1.91 | 44 | 0 | 5 | 20 | 20 | 268 | 5.32 | 7.6 | 13.9 |
| 2013 | LAD | 75 | 76.2 | 4 | 3 | 0.861 | 1.88 | 48 | 18 | 111 | 1.99 | 28 | 0 | 6 | 16 | 16 | 292 | 6.17 | 5.6 | 13.0 |
| 2012 | LAD | 65 | 65.0 | 5 | 3 | 0.846 | 2.35 | 33 | 22 | 99 | 2.40 | 25 | 0 | 6 | 17 | 18 | 252 | 4.50 | 4.6 | 13.7 |
| 2011 | LAD | 51 | 53.2 | 2 | 1 | 1.043 | 2.85 | 30 | 26 | 96 | 1.74 | 5 | 0 | 3 | 17 | 17 | 218 | 3.69 | 5.0 | 16.1 |
| 2010 | LAD | 25 | 27.0 | 1 | 0 | 1.000 | 0.67 | 12 | 15 | 41 | 1.82 | 4 | 0 | 0 | 2 | 2 | 109 | 2.73 | 4.0 | 13.7 |
