Owing to the screen size of your device, you may obtain a better viewing experience by rotating your device a quarter-turn (to get the so-called “panorama” screen view).
The Owlcroft Baseball-Analysis Site
Baseball team and player performance examined realistically and accurately.
(Click on any image above to see it at full size.)
Click here to search this site.
You can get a site directory by clicking on the “hamburger” icon (
) in the upper right of this page.
Or you can search this site with Google (standard Google-search rules apply).
(Be aware that “sponsored” links to other sites will appear atop the actual results.)
Search term(s):
Kenley Jansen: Career Pitching
Site Home Page
Background:
For You Rookies Here Some Baseball Analysis Theory Baseball Stat Definitions Baseball Data Normalization The “Quality of Pitching” Measure Fielding and Defense in Baseball About the Team-Performance Table [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]
Position Players:
Sorted by Performance:
Sorted by Name:
In Performance Order by Position(s) Played, Current Season:
Alphabetically by Position(s) Played, Current Season:
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]
Pitchers:
Sorted by Performance:
Sorted by Name:
In Performance Order by Role, Current Season:
Alphabetically by Role, Current Season:
In Performance Order 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 Juiced Ball Steroids and Baseball [external site] The Owlcroft Baseball-Analysis Formulae Tested The Owlcroft “TOP” Formula: Tabular Results 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 [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 or down for more links, or click the big “X” to exit]
Kenley Jansen: Personal Data
Name: Kenley Jansen
Kenley Jansen: Career Pitching
Through games of Wednesday, 17 April 2024.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 2.733 256 1.50 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 3.692 378 2.22 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 4.500 350 2.06 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 6.167 334 1.93 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 5.316 506 2.94 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 10.000 385 2.26 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 9.455 232 1.33 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 15.571 320 1.90 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 4.824 579 3.45 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 5.000 667 3.97 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 3.667 521 3.02 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 2.389 375 2.16 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 3.864 524 3.07 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 3.059 659 3.78 3.63
2024 Red Sox 0 7 6.2 33 0.174 0.267 0.217 0.121 1.250 0.242 0.273 0.394 0.152 1.125 820 4.64 2.70
Career All 0 824 820.1 3261 0.182 0.268 0.300 0.165 1.644 0.077 0.358 0.252 0.272 4.653 431 2.52 2.52
For explanations of unconventional stats, see the Baseball Stats Definitions
All content copyright © 2002 - 2024 by
The Owlcroft Company .
This web page is strictly compliant with the WHATWG
(Web Hypertext Application Technology Working Group)
HyperText Markup Language (HTML5) Protocol
versionless “Living Standard”
and the W3C
(World Wide Web Consortium)
Cascading Style Sheets (CSS3) Protocol
v3
— because we care about interoperability. Click on the logos below to test us!
) in the upper right of this page.