Basenerd Banner
Loading games...
Kenley Jansen
Kenley Jansen
Detroit Tigers • Pitcher
Age 38 • 6' 5" • 265 lb
Bats: S • Throws: R
MLB Debut: 2010-07-24
Born: Willemstad • Curacao
2026 Stats
W
1
L
3
ERA
5.02
WHIP
1.19
IP
14.1
SO
19
SV
7
HLD
1
G
17
GS
0
Career Stats
W
55
L
43
ERA
2.61
WHIP
0.97
IP
941.2
SO
1297
SV
483
HLD
40
G
950
GS
0
Year-by-Year Pitching
Year Team GGSIP WLSVSO ERAWHIPAwards
2010 LAD 25 — 27.0 1 — 4 41 0.67 1.00
2011 LAD 51 — 53.2 2 1 5 96 2.85 1.04
2012 LAD 65 — 65.0 5 3 25 99 2.35 0.85
2013 LAD 75 — 76.2 4 3 28 111 1.88 0.86
2014 LAD 68 — 65.1 2 3 44 101 2.76 1.13
2015 LAD 54 — 52.1 2 1 36 80 2.41 0.78
2016 LAD 71 — 68.2 3 2 47 104 1.83 0.67 AS
2017 LAD 65 — 68.1 5 — 41 109 1.32 0.75 AS
2018 LAD 69 — 71.2 1 5 38 82 3.01 0.99 AS
2019 LAD 62 — 63.0 5 3 33 80 3.71 1.06
2020 LAD 27 — 24.1 3 1 11 33 3.33 1.15 WS
2021 LAD 69 — 69.0 4 4 38 86 2.22 1.04
2022 ATL 65 — 64.0 5 2 41 85 3.38 1.05
2023 BOS 51 — 44.2 3 6 29 52 3.63 1.28 AS
2024 BOS 54 — 54.2 4 2 27 62 3.29 1.06
2025 LAA 62 — 59.0 5 4 29 57 2.59 0.95
2026 DET 17 — 14.1 1 3 7 19 5.02 1.19
Spring Training
Pitching
YearTeamGGSIPWLSVSOERAWHIP
2011 LAD 9—9.2 ———11 2.791.55
2012 LAD 9—9.0 ———9 5.001.11
2013 LAD 7—7.1 ———6 1.231.09
2014 LAD 8—8.0 ———9 0.000.38
2016 LAD 10—10.1 —1—14 3.480.87
2017 LAD 7—6.1 ———9 5.681.89
2018 LAD 5—4.2 ———6 0.000.21
2019 LAD 7—6.1 1——7 2.841.11
2020 LAD 8—8.0 ——112 1.130.50
2021 LAD 8—7.1 ———13 1.230.95
2022 ATL 4—4.0 ———3 0.001.00
2023 BOS 6—5.2 —1—4 6.351.59
2024 BOS 4—3.2 ———5 7.360.82
2025 LAA 6—6.0 —1—4 3.001.00
2026 DET 4—4.0 ———5 0.000.50
Postseason
Pitching
YearTeamGGSIPWLSVSOERAWHIP
2013 LAD 6—4.1 ——210 4.151.62
2014 LAD 1—1.0 ——12 0.000.00
2015 LAD 3—3.1 ——24 0.001.20
2016 LAD 7—11.2 ——319 3.090.86
2017 LAD 13—16.2 11520 1.620.66
2018 LAD 9—10.2 ——313 1.690.66
2019 LAD 2—1.2 ———2 0.000.00
2020 LAD 8—7.0 —128 5.141.14
2021 LAD 8—7.0 2—114 0.000.57
2022 ATL 2—2.0 ——12 4.500.50
Game Logs
Season selector loads one year at a time.
Pitching
Date Opponent IP H R ER BB SO HR
2026-05-24 @ BAL 1.0 1 3 3 2 0 1
2026-05-20 vs CLE 1.0 0 0 0 1 1 0
2026-05-16 vs TOR 1.0 0 0 0 0 1 0
2026-05-15 vs TOR 1.0 0 0 0 0 2 0
2026-05-13 @ NYM 1.0 0 0 0 0 3 0
2026-05-10 @ KC 1.0 0 0 0 0 2 0
2026-05-04 vs BOS 1.0 0 0 0 1 1 0
2026-04-29 @ ATL 0.0 1 2 2 1 0 1
2026-04-24 @ CIN 0.2 2 2 2 0 1 1
2026-04-22 vs MIL 1.0 1 0 0 2 1 0
2026-04-18 @ BOS 1.0 1 0 0 0 0 0
2026-04-15 vs KC 1.0 1 0 0 0 1 0
2026-04-14 vs KC 1.0 1 0 0 0 0 0
2026-04-10 vs MIA 1.0 0 0 0 0 1 0
2026-04-04 vs STL 0.1 0 0 0 1 1 0
2026-03-31 @ AZ 0.1 1 1 1 0 1 1
2026-03-27 @ SD 1.0 0 0 0 0 3 0
Transactions
Entire history • newest first.
2026-04-16
RHP Kenley Jansen changed number to 74.
2026-04-15
RHP Kenley Jansen changed number to 42.
2025-12-17
Detroit Tigers signed free agent RHP Kenley Jansen.
2025-11-02
RHP Kenley Jansen elected free agency.
2025-04-16
RHP Kenley Jansen changed number to 74.
2025-04-15
RHP Kenley Jansen changed number to 42.
2025-02-15
Los Angeles Angels signed free agent RHP Kenley Jansen.
2024-10-31
RHP Kenley Jansen elected free agency.
2024-10-01
Boston Red Sox activated RHP Kenley Jansen from the 15-day injured list.
2024-09-23
Boston Red Sox placed RHP Kenley Jansen on the 15-day injured list. Right shoulder inflammation.
2023-09-23
Boston Red Sox activated RHP Kenley Jansen from the 7-day injured list.
2023-09-13
Boston Red Sox placed RHP Kenley Jansen on the 7-day injured list.
2023-07-10
RHP Kenley Jansen assigned to American League All-Stars.
2022-12-13
Boston Red Sox activated RHP Kenley Jansen.
2022-12-13
Boston Red Sox activated RHP Kenley Jansen.
2022-12-13
Boston Red Sox signed free agent RHP Kenley Jansen.
2022-11-06
RHP Kenley Jansen elected free agency.
2022-07-13
Atlanta Braves activated RHP Kenley Jansen from the 15-day injured list.
2022-06-28
Atlanta Braves placed RHP Kenley Jansen on the 15-day injured list retroactive to June 27, 2022. Irregular heartbeat.
2022-03-19
Atlanta Braves activated RHP Kenley Jansen.
2022-03-19
Atlanta Braves activated RHP Kenley Jansen.
2022-03-19
Atlanta Braves signed free agent RHP Kenley Jansen.
2021-11-03
RHP Kenley Jansen elected free agency.
2021-09-14
Los Angeles Dodgers activated RHP Kenley Jansen from the paternity list.
2021-09-12
Los Angeles Dodgers placed RHP Kenley Jansen on the paternity list.
2018-08-20
Los Angeles Dodgers activated RHP Kenley Jansen.
2018-08-20
Los Angeles Dodgers activated P Kenley Jansen from the 10 day injured list.
2018-08-20
Los Angeles Dodgers activated P Kenley Jansen from the 10 day injured list.
2018-08-10
Los Angeles Dodgers placed RHP Kenley Jansen on the 10-day disabled list. Irregular heartbeat.
2017-01-10
Los Angeles Dodgers signed free agent RHP Kenley Jansen.
2017-01-10
Los Angeles Dodgers placed RHP Kenley Jansen on the 10-day disabled list. Irregular heartbeat.
2016-11-03
RHP Kenley Jansen elected free agency.
2015-05-15
Los Angeles Dodgers activated RHP Kenley Jansen from the 15-day disabled list.
2015-05-01
Los Angeles Dodgers sent RHP Kenley Jansen on a rehab assignment to Rancho Cucamonga Quakes.
2015-04-05
Los Angeles Dodgers placed RHP Kenley Jansen on the 15-day disabled list retroactive to March 27, 2015. Fifth metatarsal injury.
2011-08-25
Los Angeles Dodgers activated RHP Kenley Jansen from the 15-day disabled list.
2011-07-29
Los Angeles Dodgers placed RHP Kenley Jansen on the 15-day disabled list retroactive to July 27, 2011. Cardiac arrhythmia.
2011-06-18
Los Angeles Dodgers activated RHP Kenley Jansen from the 15-day disabled list.
2011-05-29
Los Angeles Dodgers placed RHP Kenley Jansen on the 15-day disabled list. Right shoulder inflammation.
2011-05-06
Los Angeles Dodgers recalled Kenley Jansen from Chattanooga Lookouts.
2011-05-01
Los Angeles Dodgers optioned Kenley Jansen to Chattanooga Lookouts.
2010-07-23
Kenley Jansen roster status changed by Los Angeles Dodgers.
2010-07-23
Los Angeles Dodgers selected the contract of Kenley Jansen from Chattanooga Lookouts.
2010-07-23
Los Angeles Dodgers recalled Kenley Jansen from Chattanooga Lookouts.
2010-03-15
Los Angeles Dodgers optioned Kenley Jansen to Albuquerque Isotopes.
2009-11-18
Los Angeles Dodgers selected the contract of Kenley Jansen from Inland Empire 66ers.
Scouting Report
Statcast-style percentiles • Basenerd theme
Season 2026
Ready
Basic Line
Season / Game
Loading…
Pitch Arsenal
Usage • Velo • Break • Spin • xwOBA
Pitch N Use% Velo HB IVB Spin xwOBA Whiff% Zone% Chase% BNStuff+ BNCtrl+
Loading…
Notes
Primary pitch summary
—
Movement Profile (Induced Break)
Pitcher's View: HB vs Rise / Drop (in)
Circles: 12/18/24 in • Dots = pitch types (size ~ pitch count)
Pitch Location Heatmaps
KDE-style blur • fixed zone • catcher POV
vs. LHH
vs. RHH
Zone: left -0.7083 / right 0.7083 • bot 1.595 / top 3.394 • Domain: X [-2,2], Z [0,5]
Statcast Game Log
Per-game pitch metrics from Statcast
Date Pitches Velo BNStuff+ BNCtrl+ Whiff% Zone% Chase% K% BB% xwOBA
Loading…
More