2024 Stats
W-L
2-1
ERA
2.59
WHIP
1.07
K
31
SV
13
Rest-of-Season Projections
2024 Fantasy Outlook
Jansen recorded his 400th career save last May en route to his 4th All-Star nomination. The veteran closer finished with 29 saves, enough to overtake Craig Kimbrel for the top spot on the active saves leaderboard. Jansen only made 51 appearances, his lowest mark since 2015, as he dealt with various ailments (back, knee, hamstring). Only a bout with COVID required a trip to the IL, though, and Jansen was still able to close out 67.4% of Boston's total saves. While there was concern he would have trouble adjusting to the pitch clock - he was dead last in pitch tempo (18.9 sec) with the bases empty - he only had 3 pitch clock violations all year, all in one game. Jansen also added velocity, averaging 94.3 mph (+2.1% difference from 2022) on his trademark cutter that he threw 78.8% of the time. Jansen is clearly on the downswing of his career - his 1.28 WHIP last season was his worst to date - but expecting another 25+ saves from him is not unreasonable. Read Past Outlooks
![BOS](https://content.rotowire.com/images/teamlogo/baseball/100BOS.png?v=6)
Perfect for save No. 13
Jansen earned the save Tuesday against Toronto, striking out one batter during a perfect ninth inning.
ANALYSIS
Jansen has now converted on nine straight save chances and hasn't allowed a hit or walk across his last 2.2 innings of action. He's picked up a save in four straight appearances and is tied for the fifth most saves in the American League. Overall, Jansen owns a 2.70 ERA and a 30:11 K:BB across 23.1 innings.
Jansen has now converted on nine straight save chances and hasn't allowed a hit or walk across his last 2.2 innings of action. He's picked up a save in four straight appearances and is tied for the fifth most saves in the American League. Overall, Jansen owns a 2.70 ERA and a 30:11 K:BB across 23.1 innings.
Pitching Stats
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2024
2023
2022
2021
2020
2019
2018
2017
Minor League Game Log
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Pitching Appearances Breakdown
Average Pitch Count
16
Last 10 Games
15
Last 5 Games
15
How many pitches does Kenley Jansen generally throw?
1-10
11-20
21-30
31-40
41-50
51-60
61-70
71-80
81-90
91-100
101-110
111-120
121+
What part of the game does Kenley Jansen generally pitch?
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2022
-3%
BAA vs LHP
2024
-1%
BAA vs RHP
BAA | K | BB | H | HR | ||||
---|---|---|---|---|---|---|---|---|
Since 2022vs Left | .202 | 81 | 24 | 46 | 8 | |||
Since 2022vs Right | .208 | 87 | 26 | 54 | 5 | |||
2024vs Left | .179 | 17 | 4 | 7 | 0 | |||
2024vs Right | .178 | 14 | 7 | 8 | 0 | |||
2023vs Left | .198 | 25 | 8 | 16 | 3 | |||
2023vs Right | .273 | 27 | 9 | 24 | 2 | |||
2022vs Left | .213 | 39 | 12 | 23 | 5 | |||
2022vs Right | .175 | 46 | 10 | 22 | 3 | |||
More Splits→ | View More Split Stats |
Home/Away Pitching Splits
Since 2022
-43%
ERA on Road
2024
-100%
ERA on Road
ERA | WHIP | IP | K/9 | BB/9 | |||||
---|---|---|---|---|---|---|---|---|---|
Since 2022Home | 4.19 | 1.28 | 68.2 | 11.7 | 3.7 | ||||
Since 2022Away | 2.38 | 0.96 | 64.1 | 11.1 | 3.1 | ||||
2024Home | 4.85 | 1.38 | 13.0 | 10.4 | 4.2 | ||||
2024Away | 0.00 | 0.71 | 11.1 | 12.7 | 4.0 | ||||
2023Home | 4.87 | 1.57 | 20.1 | 10.6 | 4.4 | ||||
2023Away | 2.59 | 1.03 | 24.1 | 10.4 | 2.6 | ||||
2022Home | 3.57 | 1.08 | 35.1 | 12.7 | 3.1 | ||||
2022Away | 3.14 | 1.01 | 28.2 | 11.0 | 3.1 | ||||
More Splits→ | View More Split Stats |
Stat Review
How does Kenley Jansen compare to other relievers?
This section compares his stats with all relief pitcher seasons from the previous three seasons (minimum 30 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.
* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 30 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 30 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
K/BB
2.82K/9
11.5BB/9
4.1HR/9
0.0Fastball
94.3 mphERA
2.59WHIP
1.07BABIP
.285GB/FB
0.67Left On Base
73.1%Exit Velocity
83.7 mphBarrels/BBE
4.3%Spin Rate
2609 rpmBalls Hit 95+ MPH
22.2%Swinging Strike
12.3%Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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Latest Fantasy Rumors
![BOS](https://content.rotowire.com/images/teamlogo/baseball/100BOS.png?v=6)
Could return to L.A.
Jon Heyman of the New York Post labeled the Dodgers as the likeliest landing spot for Jansen at the trade deadline.
ANALYSIS
Both the Dodgers and Padres reportedly reached out to the Red Sox regarding Jansen during the offseason, and a return to Los Angeles would certainly seem fitting. The veteran closer's save opportunities in 2024 have been inconsistent, but he's 10-for-11 in save chances and has a 2.91 ERA, 1.20 WHIP and 30:11 K:BB across 21.2 innings.
Both the Dodgers and Padres reportedly reached out to the Red Sox regarding Jansen during the offseason, and a return to Los Angeles would certainly seem fitting. The veteran closer's save opportunities in 2024 have been inconsistent, but he's 10-for-11 in save chances and has a 2.91 ERA, 1.20 WHIP and 30:11 K:BB across 21.2 innings.
Past Fantasy Outlooks
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
Jansen wore a different uniform in 2022, but finished second in the league with 41 saves for Atlanta to bring his career total to 391, which ranks eighth all-time and second among active saves leaders. The 35-year-old has been fairly consistent over the past few seasons, with both his pitch mix and output. Jansen threw his famous cutter 65% of the time as his primary strikeout pitch, while occasionally mixing in a sinker (22%) that he mostly threw against left-handed batters, and a slider (13%). The veteran's arsenal yielded a respectable 3.38 ERA (2.76 SIERA), 1.05 WHIP and 32.7% strikeout rate, the latter being his highest since 2017. He also lowered his walk rate to 8.5% and his average velocity (93.7 mph) was surprisingly among the best of his career. If Jansen can maintain this level of production in his mid-to-late 30s, he's a lock to join the top five all-time saves leaders. He'll get the opportunity to do just that after signing a two-year, $32 million deal with Boston.
More Fantasy News
![BOS](https://content.rotowire.com/images/teamlogo/baseball/100BOS.png?v=6)
Earns one-out save
Jansen recorded one out to earn a save over the Blue Jays on Monday.
ANALYSIS
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![BOS](https://content.rotowire.com/images/teamlogo/baseball/100BOS.png?v=6)
Grabs four-out save
Jansen pitched 1.1 perfect innings to earn the save in Saturday's 8-4 win over the Yankees.
ANALYSIS
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![BOS](https://content.rotowire.com/images/teamlogo/baseball/100BOS.png?v=6)
Earns 10th save
Jansen earned a save against the Phillies on Wednesday, allowing one run on one hit and a walk with one strikeout.
ANALYSIS
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![BOS](https://content.rotowire.com/images/teamlogo/baseball/100BOS.png?v=6)
Nails six-out win
Jansen (2-1) picked up the win Sunday against the White Sox, allowing one hit and no walks with five strikeouts over two innings.
ANALYSIS
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![BOS](https://content.rotowire.com/images/teamlogo/baseball/100BOS.png?v=6)
Picks up ninth save
Jansen pitched a flawless ninth inning and picked up the save Sunday against Milwaukee. He struck out two.
ANALYSIS
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