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Kenley Jansen: Career Pitching
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For You Rookies Here Some Baseball Analysis Theory The Games-Won Formula About the Team-Performance Table The “Quality of Pitching” Measure Fielding and Defense in Baseball Baseball Stat Definitions Baseball Data Normalization [scroll down for more links, or click the big “X” to exit]
Teams:
The Main Team-Performance Table Set By-Team Performance by Players & Pitchers
All-Teams Table: Win Expectations From Player Career Stats All-Teams Table: Defense [scroll up or down for more links, or click the big “X” to exit]
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Sorted by Performance:
Sorted by Name:
In Performance Order by Position(s) Played, Current Season:
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In Performance Order by Position(s) Played, Career:
Alphabetically by Position(s) Played, Career:
Frequent-Use Position Players, by performance Frequent-Use Position Players, by name [scroll up or down for more links, or click the big “X” to exit]
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Sorted by Name:
In Performance Order by Role, Current Season:
Alphabetically by Role, Current Season:
In Performance Order by Role, Career:
Alphabetically by Role, Career:
Frequent-Use Starters and Relievers, by performance Frequent-Use Starters and Relievers, by name [scroll up or down for more links, or click the big “X” to exit]
Miscellaneous:
The Owlcroft Baseball-Analysis Formulae Tested The Owlcroft “TOP” Formula: Tabulated Data Calculating the Effects of Fielding on Wins Making Optimum Use of Players and Pitchers About Owlcroft Links About Eric Walker Links To A Select Few Other Useful Baseball Sites Steroids and Baseball [external site] The Juiced Ball [scroll up or down for more links, or click the big “X” to exit]
Book:
About Buying Books On Line Some Selected Baseball Books [scroll up for more links, or click the big “X” to exit]
Kenley Jansen: Personal Data
Name: Kenley Jansen
Kenley Jansen: Career Pitching
Through games of Sunday, 28 September 2025.true, unadjusted data.
Handedness Key: + R * L # S
(You can also look up the stat definitions .)
— Place your cursor over any column heading to see what it signifies. —
Year
Team
GS
GR
IP
BFP
BA
BABIP
SA
HA
PF
BBA
KA
OBA
TBA
K/W
TPP
QofP
ERA
2010
Dodgers
0
25
27.0
109
0.130
0.235
0.163
0.110
1.250
0.138
0.376
0.257
0.138
2.733
270
1.56
0.67
2011
Dodgers
0
51
53.2
218
0.159
0.297
0.228
0.138
1.433
0.119
0.440
0.266
0.197
3.692
395
2.28
2.85
2012
Dodgers
0
65
65.0
252
0.146
0.221
0.274
0.131
1.879
0.087
0.393
0.230
0.246
4.500
371
2.15
2.35
2013
Dodgers
0
75
76.2
292
0.177
0.273
0.273
0.164
1.542
0.062
0.380
0.236
0.253
6.167
345
1.99
1.88
2014
Dodgers
0
68
65.1
268
0.224
0.352
0.333
0.205
1.491
0.071
0.377
0.276
0.306
5.316
527
3.05
2.76
2015
Dodgers
0
54
52.1
200
0.176
0.260
0.298
0.165
1.697
0.040
0.400
0.215
0.280
10.000
403
2.33
2.41
2016
Dodgers
0
71
68.2
251
0.150
0.244
0.252
0.139
1.686
0.044
0.414
0.191
0.235
9.455
241
1.40
1.83
2017
Dodgers
0
65
68.1
258
0.177
0.291
0.270
0.171
1.523
0.027
0.422
0.205
0.260
15.571
339
1.96
1.32
2018
Dodgers
0
69
71.2
289
0.201
0.234
0.383
0.187
1.907
0.059
0.284
0.253
0.356
4.824
618
3.58
3.01
2019
Dodgers
0
62
63.0
263
0.213
0.273
0.383
0.194
1.804
0.061
0.304
0.270
0.350
5.000
709
4.10
3.71
2020
Dodgers
0
27
24.1
102
0.211
0.309
0.311
0.186
1.474
0.088
0.324
0.304
0.275
3.667
536
3.10
3.33
2021
Dodgers
0
69
69.0
278
0.153
0.216
0.233
0.129
1.528
0.129
0.309
0.266
0.198
2.389
389
2.25
2.22
2022
Braves
0
65
64.0
260
0.192
0.259
0.346
0.173
1.800
0.085
0.327
0.265
0.312
3.864
557
3.22
3.38
2023
Red Sox
0
51
44.2
188
0.237
0.313
0.379
0.213
1.600
0.090
0.277
0.314
0.340
3.059
675
3.91
3.63
2024
Red Sox
0
54
54.2
218
0.196
0.260
0.304
0.174
1.553
0.092
0.284
0.271
0.271
3.100
475
2.75
3.29
2025
Angels
0
62
59.0
234
0.175
0.196
0.321
0.158
1.838
0.081
0.244
0.244
0.291
3.000
519
3.00
2.59
Career
All
0
933
927.1
3680
0.183
0.262
0.302
0.166
1.652
0.077
0.347
0.251
0.274
4.532
455
2.63
2.57
For explanations of unconventional stats, see the Baseball Stats Definitions
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