Kenley Jansen
P | B/T: S/R | 6' 5" 265LBS | Age: 35

Stats

W L ERA G GS SV IP SO WHIP
2023 1 3 3.66 21 0 13 19.2 23 1.53
14 Seasons 43 31 2.49 787 0 404 788.2 1130 0.95
G W-L ERA IP SO WHIP
2023 21 1-3 3.66 19.2 23 1.53
14 Seasons 787 43-31 2.49 788.2 1130 0.95

Statcast Statistics

Season Age Pitches Batted
Balls
Barrels Barrel % Barrel/PA Exit
Velocity
Max EV Launch
Angle
Sweet
Spot %
XBA XSLG WOBA XWOBA XWOBACON HardHit% K% BB% ERA xERA
2015 27 795 110 9 8.2 4.5 86.9 113.5 22.8 25.5 .155 .285 .225 .213 .327 29.1 40.0 4.0 2.41 1.85
2016 28 1002 134 7 5.2 2.8 86.4 110.0 22.7 28.4 .144 .238 .192 .189 .297 24.6 41.4 4.4 1.83 1.51
2017 29 1012 139 6 4.3 2.3 84.2 111.9 17.1 32.4 .170 .265 .207 .203 .332 23.4 42.4 2.7 1.32 1.76
2018 30 1141 188 14 7.4 4.8 84.3 109.7 19.0 33.5 .202 .348 .273 .264 .340 24.6 28.4 5.9 3.01 2.90
2019 31 1068 163 10 6.1 3.8 86.3 114.1 19.4 33.1 .205 .341 .277 .263 .341 26.1 30.4 6.1 3.71 3.00
2020 32 446 57 2 3.5 2.0 82.7 108.2 22.2 33.3 .192 .290 .279 .266 .330 14.0 32.4 8.8 3.33 2.95
2021 33 1071 153 7 4.6 2.5 84.0 106.0 19.8 30.1 .180 .271 .229 .260 .310 26.1 30.9 12.9 2.22 2.81
2022 34 1006 151 11 7.3 4.2 87.1 117.2 21.9 29.8 .169 .292 .265 .239 .311 32.5 32.7 8.5 3.38 2.34
2023 35 352 54 2 3.7 2.2 89.5 105.4 28.9 25.9 .192 .279 .307 .265 .289 33.3 25.8 13.5 3.66 2.81
Player 7893 1149 68 5.9 3.4 85.5 117.2 20.7 30.6 .177 .292 .245 .238 .322 26.2 34.3 6.9
MLB 6.8 4.7 88.4 122.4 12.1 33.0 .245 .405 .316 .315 .368 36.0 22.1 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Jansen relies on 3 pitches.
Cutter
(81%) ,
Slider
(11.1%) ,
Sinker
(8%) ,


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Pitch Tracking



Batted Ball Profile

Season GB % FB % LD % PU % Pull % Straight % Oppo % Weak % Topped % Under % Flare/Burner % Solid % Barrel % Barrel/PA
2015 36.4 26.4 20.0 17.3 34.5 30.9 34.5 5.5 20.9 41.8 20.0 1.8 8.2 4.5
2016 32.8 34.3 20.1 12.7 32.1 34.3 33.6 4.5 21.6 40.3 19.4 6.0 5.2 2.8
2017 38.8 20.1 24.5 16.5 33.8 37.4 28.8 10.1 25.2 30.9 23.7 4.3 4.3 2.3
2018 36.2 27.1 23.4 13.3 39.9 37.8 21.8 6.4 27.7 31.4 21.3 4.8 7.4 4.8
2019 36.2 25.8 27.0 11.0 39.9 33.7 26.4 4.9 25.2 34.4 24.5 1.8 6.1 3.8
2020 26.3 28.1 31.6 14.0 40.4 35.1 24.6 1.8 21.1 42.1 26.3 1.8 3.5 2.0
2021 37.9 30.1 19.0 13.1 33.3 39.2 27.5 12.4 26.1 29.4 22.9 4.6 4.6 2.5
2022 30.5 39.1 18.5 11.9 41.1 30.5 28.5 6.0 21.2 39.1 21.2 5.3 7.3 4.2
2023 20.4 37.0 25.9 16.7 33.3 33.3 33.3 1.9 16.7 48.1 25.9 3.7 3.7 2.2
Player 34.4 29.3 22.6 13.7 36.7 35.0 28.2 6.6 23.8 35.9 22.4 4.0 5.9 3.4
MLB 44.8 23.2 24.9 7.1 36.8 37.6 25.4 3.9 33.0 24.6 24.4 5.8 6.8 4.7
! Note: All figures in this table cover the period 2015-present.

Pitch Movement


How this works: Every pitch is affected by the forces of gravity, which means that every pitch drops on its way from the mound to the plate. These numbers are reported with gravity, which makes them larger and different than other pitch movement numbers you may have seen. Since gravity requires time, and slower pitches aren’t ‘better’ just because they have more time to move, the movement of a pitch is compared to ‘average’ movement by comparing it to other MLB pitch types within +/- 2 MPH and from within +/- 0.5 feet of extension and release.
Vertical Movement (inches) Horizontal Movement (inches)
Year Pitch Team Hand # MPH Inches of Drop vs Avg % vs Avg Inches of Break vs Avg % Break vs Avg
2023 Slider BOS R 39 84.3 42.7 5.7 15 7.4 2.1 40
2023 Cutter BOS R 285 94.4 12.3 6.1 33 2.4 0.0 1
2023 Sinker BOS R 28 95.7 11.2 -7.8 -41 9.5 -5.2 -36
2022 Sinker ATL R 225 93.6 11.8 -7.9 -40 4.6 -9.3 -67
2022 Slider ATL R 132 81.2 47.4 6.6 16 4.6 -0.5 -10
2022 Cutter ATL R 643 92.2 15.8 4.8 23 8.4 3.8 82
2021 Sinker LAD R 282 93.9 11.9 -6.7 -36 6.9 -6.2 -47
2021 Slider LAD R 165 82.0 46.8 6.6 16 6.0 0.5 10
2021 Cutter LAD R 616 92.5 14.6 4.5 24 7.4 3.0 68
2020 Slider LAD R 42 81.6 45.5 4.1 10 6.9 0.7 10
2020 Sinker LAD R 124 92.3 14.0 -5.7 -29 7.0 -6.1 -47
2020 Cutter LAD R 265 90.9 19.6 2.8 12 7.9 3.2 66
2019 Slider LAD R 129 81.8 43.8 4.3 11 6.3 0.8 15
2019 Cutter LAD R 779 91.7 17.0 2.0 11 6.9 2.9 73
2019 Sinker LAD R 141 93.2 13.3 -5.9 -31 8.4 -4.7 -36
2018 Slider LAD R 66 82.7 43.4 4.5 12 6.1 1.1 22
2018 Cutter LAD R 956 92.1 16.8 2.3 12 6.9 2.9 72
2018 Sinker LAD R 117 93.7 13.1 -6.1 -32 8.7 -4.8 -35
2017 Sinker LAD R 66 94.8 9.3 -7.7 -45 6.8 -7.3 -52
2017 Cutter LAD R 851 93.2 12.6 2.9 19 7.1 3.0 73
2017 Slider LAD R 79 83.3 39.3 3.2 9 7.2 2.8 63
2016 4-Seamer LAD R 115 95.3 9.5 2.8 23 3.2 -2.9 -48
2016 Slider LAD R 62 83.6 38.9 4.2 12 6.7 1.5 28
2016 Cutter LAD R 815 94.0 11.5 2.3 17 4.8 0.7 18
! Note: Years are in reverse order.
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Run Values by Pitch Type

Year Pitch Type Team RV/100 Run Value Pitches % PA BA SLG wOBA Whiff% K% PutAway % xBA xSLG xwOBA Hard Hit %
2023 Cutter -2.5 -7 285 81.0 70 .194 .258 .254 28.8 28.6 28.2 .164 .219 .227 31.0
2023 Slider 4.0 2 39 11.1 11 .364 .727 .459 39.1 27.3 15.0 .264 .459 .306 37.5
2023 Sinker 9.2 3 28 8.0 6 .500 .750 .592 20.0 0.0 0.0 .425 .713 .558 50.0
2022 Cutter -1.6 -11 648 64.4 158 .170 .262 .233 28.2 32.9 29.4 .157 .240 .224 30.8
2022 Sinker 1.0 2 226 22.5 64 .237 .525 .348 25.7 37.5 26.1 .194 .397 .284 42.9
2022 Slider 0.7 1 132 13.1 35 .206 .382 .289 25.0 25.7 17.3 .175 .327 .229 24.0
2021 Cutter -1.8 -11 621 58.0 153 .176 .248 .273 31.9 24.2 24.8 .213 .332 .317 24.2
2021 Sinker -2.1 -6 285 26.6 76 .147 .221 .216 32.4 38.2 29.6 .158 .218 .220 28.2
2021 Slider -1.3 -2 165 15.4 45 .093 .209 .151 40.3 44.4 28.2 .117 .176 .150 30.4
2020 Cutter -1.2 -3 276 61.9 54 .213 .362 .310 27.0 20.4 12.6 .218 .371 .309 13.9
2020 Sinker -0.5 -1 127 28.5 33 .267 .333 .313 35.8 42.4 31.8 .197 .244 .240 18.8
2020 Slider -3.5 -2 43 9.6 15 .077 .077 .153 40.0 53.3 33.3 .088 .105 .168 0.0
2019 Cutter -0.2 -1 779 72.9 194 .232 .429 .329 30.4 28.9 21.6 .214 .378 .280 30.1
2019 Sinker -1.9 -3 141 13.2 28 .174 .217 .305 40.9 46.4 28.9 .194 .214 .248 9.1
2019 Slider -2.3 -3 129 12.1 36 .143 .229 .175 33.3 22.2 12.9 .184 .271 .206 14.8
2018 Cutter -1.5 -14 957 83.9 236 .192 .397 .286 27.2 26.7 21.1 .202 .358 .271 24.2
2018 Sinker -0.6 -1 117 10.3 31 .207 .310 .282 30.2 32.3 23.8 .188 .329 .257 21.1
2018 Slider 2.2 1 66 5.8 20 .250 .300 .288 37.9 45.0 18.0 .222 .258 .212 36.4
2017 Cutter -2.2 -19 851 84.1 205 .194 .306 .245 34.9 38.0 29.2 .181 .290 .222 22.9
2017 Slider -3.7 -3 79 7.8 31 .065 .065 .058 56.4 64.5 35.7 .096 .109 .089 27.3
2017 Sinker -0.2 0 66 6.5 18 .222 .278 .219 25.0 55.6 29.4 .188 .275 .199 25.0
! Note: Years are in reverse order.
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Spin Direction

Year Pitch Type Pitches MPH Active Spin % Total Movement (In.) Spin-Based Observed Deviation
2020 Cutter 264 90.9 71 15.3 11:15 10:45 30
2020 Sinker 117 92.4 87 18.9 12:00 12:45 -45
2020 Slider 40 81.7 50 9.8 8:30 7:45 45
2021 Cutter 613 92.5 78 18.5 11:30 11:15 15
2021 Sinker 281 93.9 94 19.9 12:00 12:45 -45
2021 Slider 162 82.0 48 10.6 8:00 7:15 45
2022 Cutter 646 92.2 80 18.1 11:15 11:00 15
2022 Sinker 224 93.6 96 19.4 12:00 12:30 -30
2022 Slider 132 81.2 52 9.6 7:45 7:00 45
2023 Cutter 279 94.4 79 18.2 12:00 11:45 15
2023 Sinker 27 95.6 97 21.0 12:30 1:00 -30
2023 Slider 39 84.3 49 10.1 8:45 7:45 60
! Note: This table is showing data from the PITCHER perspective.
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Swing/Take

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2010 107 478 -11 -5 3 3 -11
2011 218 979 -12 -10 4 3 -14
2012 251 1,047 -11 -9 4 2 -15
2013 311 1,329 -21 -8 2 4 -23
2014 263 1,054 -10 -6 3 2 -11
2015 213 851 -10 -8 3 1 -14
2016 294 1,168 -17 -15 3 2 -27
2017 317 1,225 -14 -17 1 2 -28
2018 325 1,285 -9 -20 7 4 -17
2019 263 1,064 -4 -12 3 4 -8
2020 131 565 -5 -5 4 1 -5
2021 298 1,171 -20 -18 11 5 -23
2022 264 1,030 -6 -7 5 1 -7
2023 87 352 -3 -2 1 1 -3
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Plate Discipline

Season Pitches Zone % Zone Swing % Zone Contact % Chase % Chase Contact % Edge % 1st Pitch Strike % Swing % Whiff % Meatball % Meatball Swing %
2015 795 57.7 73.0 73.7 32.7 47.3 44.4 69.5 56.0 32.6 11.2 80.9
2016 1,002 57.9 74.1 71.9 31.8 48.5 44.3 68.5 56.3 33.5 9.4 79.8
2017 1,012 56.7 69.2 68.5 36.9 51.6 43.6 73.2 54.9 35.8 9.3 79.6
2018 1,141 52.4 71.9 74.1 30.0 63.8 43.5 65.6 52.0 28.0 7.4 84.5
2019 1,068 50.5 70.6 73.5 35.8 54.8 42.2 68.1 53.6 32.2 7.4 76.9
2020 446 50.4 70.7 71.7 34.4 63.2 45.1 66.7 52.7 30.6 7.6 73.5
2021 1,071 52.4 69.3 70.4 29.0 54.7 41.5 62.8 50.1 33.1 8.4 77.8
2022 1,006 55.8 67.6 76.8 29.2 56.9 45.0 68.7 50.6 27.3 9.3 76.6
2023 352 48.6 70.2 78.3 32.6 54.2 44.9 58.0 50.9 29.6 9.7 76.5
Player 7,893 54.1 70.7 72.9 32.3 54.9 43.6 67.4 53.1 31.6 8.8 79.0
MLB 48.5 66.9 82.0 28.4 58.2 42.6 60.8 47.1 24.7 7.3 76.1
! Note: All figures in this table cover the period 2015-present.

Percentile Rankings

Year xwOBA /
xERA
xBA xSLG xISO xOBP Brl Brl% EV Hard
Hit%
K% BB% Whiff% Chase
Rate
FB
Velo
FB
Spin
CB
Spin
Extension
2015 58 100 98
2016 100 100 99 96 100 87 66 91 98 99 95 97 81 73 100 99
2017 100 99 99 96 100 88 80 99 99 100 99 98 99 61 100 98
2018 92 88 79 52 97 56 30 100 99 83 86 71 74 45 99 98
2019 92 87 88 82 93 74 67 96 99 87 78 88 98 34 95 99
2020 88 87 93 90 74 88 91 99 100 89 47 76 93 26 87 99
2021 93 96 97 96 72 92 92 99 99 89 8 90 60 45 97 97
2022 97 98 93 72 97 72 48 80 89 93 40 62 48 36 95 93
2023 89 91 96 91 64 91 91 38 81 66 9 74 85 67 97 86
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Expected Home Runs

Year Team Avg HR Trot Actual HR xHR HR-xHR Doubters Mostly Gone No Doubters No Doubter %
2016 22.3 5 6.2 -1 3 5 2 40.0
2017 22.7 7 5.9 1 2 7 2 28.6
2018 21.8 15 11.0 4 6 7 5 33.3
2019 22.2 9 7.1 2 2 5 4 44.4
2020 25.8 3 3.5 -1 3 0 3 100.0
2021 23.1 4 3.3 1 2 2 2 50.0
2022 25.2 9 8.7 0 5 5 5 55.6
2023 23.7 1 1.0 0 0 0 1 100.0
Player 23.0 53 46.6 6 23 31 24 45.3

Expected Home Runs by Park

Year HR
2016 5 6 6 7 6 6 6 7 5 5 6 7 6 6 6 7 4 6 7 7 6 4 7 9 7 6 7 8 6 6 3
2017 7 9 4 5 5 5 8 5 5 3 7 8 6 6 5 8 5 5 8 5 7 7 7 9 5 3 4 7 8 5 3
2018 15 15 10 12 10 9 12 10 7 7 9 12 16 10 9 12 9 10 12 12 14 13 15 14 9 9 10 12 15 9 7
2019 9 9 8 6 7 5 8 8 5 5 6 5 9 8 7 8 6 6 8 7 9 7 9 9 7 7 5 7 9 6 7
2020 3 3 4 5 3 3 3 4 3 3 3 4 4 3 3 3 5 3 3 3 4 4 5 3 3 3 3 3 4 4 3
2021 4 3 3 5 3 3 4 5 3 3 3 4 3 2 4 4 2 3 3 3 3 3 5 4 2 3 4 3 3 3 3
2022 9 8 10 8 8 8 9 8 6 8 8 10 10 10 8 11 8 7 10 8 9 9 10 10 7 7 10 9 10 8 9
2023 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Player 53 54 46 49 43 40 51 48 35 35 43 51 55 46 43 54 40 41 52 46 53 48 59 59 41 39 44 50 56 42 36
! Note: This tells how many of this player's home runs would have been out of other stadiums. This accounts for different wall heights, distances and environmental effects. For these purposes, the 2020 Blue Jays home field was still Rogers Centre, not Sahlen Field.
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Year to Year Changes

Metric 2015 2016 +/-   2017 +/-   2018 +/-   2019 +/-   2020 +/-   2021 +/-   2022 +/-   2023 +/-  
Fastball Velocity 93.1 94.2 1.1 93.4 -0.8 92.3 -1.1 91.9 -0.4 91.3 -0.6 92.9 1.6 92.6 -0.3 94.5 1.9
Offspeed Velocity 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Breaking Velocity 83.5 83.6 0.1 83.3 -0.3 82.7 -0.6 81.8 -0.9 81.6 -0.2 82.0 0.4 81.2 -0.8 84.3 3.1
Exit Velocity 86.9 86.4 -0.5 84.2 -2.2 84.3 0.1 86.3 2.0 82.7 -3.6 84.0 1.3 87.1 3.1 89.5 2.4
Launch Angle 22.8 22.7 -0.1 17.1 -5.6 19.0 1.9 19.4 0.4 22.2 2.8 19.8 -2.4 21.9 2.1 28.9 7.0
Barrel % 8.2 5.2 -3.0 4.3 -0.9 7.4 3.1 6.1 -1.3 3.5 -2.6 4.6 1.1 7.3 2.7 3.7 -3.6
Hard Hit % 29.1 24.6 -4.5 23.4 -1.2 24.6 1.2 26.1 1.5 14.0 -12.1 26.1 12.1 32.5 6.4 33.3 0.8
Sweet Spot % 25.5 28.4 2.9 32.4 4.0 33.5 1.1 33.1 -0.4 33.3 0.2 30.1 -3.2 29.8 -0.3 25.9 -3.9
xBA .155 .144 -0.011 .170 0.026 .202 0.032 .205 0.003 .192 -0.013 .180 -0.012 .169 -0.011 .192 0.023
BA .176 .150 -0.026 .177 0.027 .201 0.024 .212 0.011 .211 -0.001 .153 -0.058 .192 0.039 .234 0.042
xwOBA .213 .189 -0.024 .203 0.014 .264 0.061 .263 -0.001 .266 0.003 .260 -0.006 .239 -0.021 .265 0.026
wOBA .225 .192 -0.033 .207 0.015 .273 0.066 .277 0.004 .279 0.002 .229 -0.050 .265 0.036 .307 0.042
xSLG .285 .238 -0.047 .265 0.027 .348 0.083 .341 -0.007 .290 -0.051 .271 -0.019 .292 0.021 .279 -0.013
SLG .298 .252 -0.046 .270 0.018 .383 0.113 .383 0.000 .311 -0.072 .233 -0.078 .346 0.113 .351 0.005
K% 40.0 41.4 1.4 42.4 1.0 28.4 -14.0 30.4 2.0 32.4 2.0 30.9 -1.5 32.7 1.8 25.8 -6.9
BB% 4.0 4.4 0.4 2.7 -1.7 5.9 3.2 6.1 0.2 8.8 2.7 12.9 4.1 8.5 -4.4 13.5 5.0
Swing % 56.0 56.3 0.3 54.9 -1.4 52.0 -2.9 53.6 1.6 52.7 -0.9 50.1 -2.6 50.6 0.5 50.9 0.3
Whiff% 32.6 33.5 0.9 35.8 2.3 28.0 -7.8 32.2 4.2 30.6 -1.6 33.1 2.5 27.3 -5.8 29.6 2.3
In Zone % 57.7 57.9 0.2 56.7 -1.2 52.4 -4.3 50.5 -1.9 50.4 -0.1 52.4 2.0 55.8 3.4 48.6 -7.2
Out of Zone % 42.3 42.1 -0.2 43.3 1.2 47.6 4.3 49.5 1.9 49.6 0.1 47.6 -2.0 44.2 -3.4 51.4 7.2
Out of Zone Swing % 32.7 31.8 -0.9 36.9 5.1 30.0 -6.9 35.8 5.8 34.4 -1.4 29.0 -5.4 29.2 0.2 32.6 3.4
First Pitch Swing % 33.5 36.7 3.2 34.2 -2.5 35.1 0.9 34.2 -0.9 31.4 -2.8 31.8 0.4 33.6 1.8 28.4 -5.2
First Pitch Strike % 69.5 68.5 -1.0 73.2 4.7 65.6 -7.6 68.1 2.5 66.7 -1.4 62.8 -3.9 68.7 5.9 58.0 -10.7
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Statcast Shift Statistics

vs RHHvs LHH
YearPAwOBAPAShifts%PAShifts%
2016 245 .195 125 2 1.6 120 17 14.2
2017 255 .209 128 1 0.8 127 14 11.0
2018 288 .273 156 10 6.4 132 51 38.6
2019 263 .277 122 30 24.6 141 90 63.8
2020 102 .279 53 14 26.4 49 46 93.9
2021 274 .229 139 56 40.3 135 108 80.0
2022 257 .265 138 5 3.6 119 50 42.0
2023 87 .302 45 0 0.0 42 0 0.0

Pitch Tempo