Kenley Jansen Career Pitching Summary

  • May 7, 2025

Kenley Jansen played in Major League Baseball from 2010 to 2024, appearing in 871 games over 15 seasons. He recorded a total of 49 W and 36 L, an ERA of 2.57, 1,221 SO, a WHIP of 0.963, and a WAR of 21.8.

๐Ÿงพ Basic Profile

Kenley Jansen
NameKenley Jansen
Date of BirthSeptember 30, 1987
Nationality
Curaรงao
PositionPitcher
ThrowsRight
BatsBoth
MLB Debut2010

Kenley Jansen Yearly Pitching Stats

This chart shows the season-by-season changes in ERA, SO, and IP for Kenley Jansen.

Change Chart

    ๐Ÿ“Š Career Summary

    Kenley Jansen appeared in 871 games over 15 MLB seasons from 2010 to 2024. Below are his cumulative stats and MLB all-time rankings:

    GS0 (MLB Rank: 7,909)
    GF653 (MLB Rank: 11)
    W49 (MLB Rank: 1,478)
    L36 (MLB Rank: 2,092)
    SV447 (MLB Rank: 4)
    ERA2.57 (MLB Rank: 899)
    IP868.1 (MLB Rank: 1,519)
    SO1,221 (MLB Rank: 375)
    BB263 (MLB Rank: 1,857)
    H573 (MLB Rank: 2,261)
    HR80 (MLB Rank: 1,255)
    SO912.66 (MLB Rank: 124)
    BB92.73 (MLB Rank: 9,217)
    H95.94 (MLB Rank: 11,269)
    HR90.83 (MLB Rank: 5,172)
    WHIP0.963 (MLB Rank: 11,456)
    WAR21.8 (MLB Rank: 500)

    ๐Ÿ“Š Last Season Summary (2024)

    In his final season (2024), Kenley Jansen recorded the following stats:

    GS0
    GF38
    W4
    L2
    SV27
    ERA3.29
    IP54.2
    SO62
    BB20
    H38
    HR4
    SO910.21
    BB93.29
    H96.26
    HR90.66
    WHIP1.061
    WAR1.3

    ๐Ÿ“ˆ Seasonal Highlights

    • Most Wins: 2012, 5 W
    • Most SO: 2013, 111 SO
    • Most IP: 2013, 76.2 IP
    • Best WAR: 2017, 3.0 WAR
    • Best ERA: 2010, 0.67 ERA

    ๐ŸŽฏ Postseason Performance

    Kenley Jansen appeared in 59 games during the postseason. He recorded an ERA of 2.29, pitched 63 IP, struck out 94 batters, with 3 W and 2 L.

    Kenley Jansen Career Pitching Stats Overview

    seasonWLERAW-L%SVSOIPWARWHIPHRHBBRERERA+FIPSO9SO/BBGSGGFCGSHOHR9H9BB9BKHBPIBBWPBF
    2010
    1
    0
    0.67
    1
    4
    41
    27
    1.4
    1
    0
    12
    15
    2
    2
    588
    1.82
    13.7
    2.73
    0
    25
    8
    0
    0
    0
    4
    5
    0
    1
    1
    1
    109
    2011
    2
    1
    2.85
    0.667
    5
    96
    53.2
    0.9
    1.043
    3
    30
    26
    17
    17
    130
    1.74
    16.1
    3.69
    0
    51
    13
    0
    0
    0.5
    5
    4.4
    2
    2
    0
    0
    218
    2012
    5
    3
    2.35
    0.625
    25
    99
    65
    1.9
    0.846
    6
    33
    22
    18
    17
    162
    2.4
    13.7
    4.5
    0
    65
    40
    0
    0
    0.8
    4.6
    3
    0
    3
    1
    3
    252
    2013
    4
    3
    1.88
    0.571
    28
    111
    76.2
    2.6
    0.861
    6
    48
    18
    16
    16
    190
    1.99
    13
    6.17
    0
    75
    45
    0
    0
    0.7
    5.6
    2.1
    0
    3
    1
    2
    292
    2014
    2
    3
    2.76
    0.4
    44
    101
    65.1
    1.2
    1.133
    5
    55
    19
    20
    20
    127
    1.91
    13.9
    5.32
    0
    68
    57
    0
    0
    0.7
    7.6
    2.6
    0
    0
    2
    2
    268
    2015
    2
    1
    2.41
    0.667
    36
    80
    52.1
    1.4
    0.783
    6
    33
    8
    14
    14
    154
    2.14
    13.8
    10
    0
    54
    50
    0
    0
    1
    5.7
    1.4
    0
    2
    0
    0
    200
    2016
    3
    2
    1.83
    0.6
    47
    104
    68.2
    2.8
    0.67
    4
    35
    11
    14
    14
    219
    1.44
    13.6
    9.45
    0
    71
    63
    0
    0
    0.5
    4.6
    1.4
    0
    2
    2
    1
    251
    2017
    5
    0
    1.32
    1
    41
    109
    68.1
    3
    0.746
    5
    44
    7
    11
    10
    315
    1.31
    14.4
    15.57
    0
    65
    57
    0
    0
    0.7
    5.8
    0.9
    1
    2
    0
    2
    258
    2018
    1
    5
    3.01
    0.167
    38
    82
    71.2
    0.6
    0.991
    13
    54
    17
    28
    24
    129
    4.03
    10.3
    4.82
    0
    69
    59
    0
    0
    1.6
    6.8
    2.1
    2
    2
    1
    0
    289
    2019
    5
    3
    3.71
    0.625
    33
    80
    63
    0.1
    1.063
    9
    51
    16
    28
    26
    112
    3.48
    11.4
    5
    0
    62
    51
    0
    0
    1.3
    7.3
    2.3
    3
    4
    0
    2
    263
    2020
    3
    1
    3.33
    0.75
    11
    33
    24.1
    0.4
    1.151
    2
    19
    9
    11
    9
    132
    3.03
    12.2
    3.67
    0
    27
    24
    0
    0
    0.7
    7
    3.3
    0
    3
    0
    0
    102
    2021
    4
    4
    2.22
    0.5
    38
    86
    69
    2.5
    1.043
    4
    36
    36
    21
    17
    191
    3.08
    11.2
    2.39
    0
    69
    52
    0
    0
    0.5
    4.7
    4.7
    2
    2
    4
    4
    278
    2022
    5
    2
    3.38
    0.714
    41
    85
    64
    1
    1.047
    8
    45
    22
    25
    24
    122
    3.21
    12
    3.86
    0
    65
    54
    0
    0
    1.1
    6.3
    3.1
    1
    2
    3
    1
    260
    2023
    3
    6
    3.63
    0.333
    29
    52
    44.2
    0.7
    1.276
    5
    40
    17
    21
    18
    126
    3.66
    10.5
    3.06
    0
    51
    42
    0
    0
    1
    8.1
    3.4
    2
    2
    1
    1
    188
    2024
    4
    2
    3.29
    0.667
    27
    62
    54.2
    1.3
    1.061
    4
    38
    20
    20
    20
    130
    3
    10.2
    3.1
    0
    54
    38
    0
    0
    0.7
    6.3
    3.3
    2
    1
    2
    2
    218