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Kenley Jansen BOS RP R 

Born: 09/30/1987 Age: 36

FanGraphs Player Page

2024 OPL OPL Player Page

Signed By

Roca Athletics for $19

On MLB 40-man: YES
Acquired: Free Agent (ATL) Dec'22

Thu 9/12 Fri 9/13 Sat 9/14
@NYY 7:15 PM EDT @NYY 7:05 PM EDT @NYY 1:05 PM EDT

Positions
RP
2025 Projected Positions
RP

All Leagues
Average $10.90 Median $10.00
FanGraphs Points
Average $8.97 Median $8.50

All Leagues
Average $11.60 Median $7.50
FanGraphs Points
Average $6.40 Median $6.00

Roster%
97.18%
Change
7Day 1.57%
30Day 2.19%

2024 OPL 2024 OPL Round 8
OPL Roster%
0.00%
OPL Average Salary
$0.00


September 8, 2024 12:17 AM : Jansen (lat) struck out one in a perfect inning to earn the save in Saturday's 7-5 win over the White Sox.
Analysis: Jansen was dealing with a lat injury that made him unavailable to pitch Friday, two days after a four-run meltdown versus the Mets. He wasn't heavily tested in Saturday's contest, as he required just seven pitches (six strikes) to retire the side for his 26th save in 30 chances this season. Jansen is at a 3.62 ERA, 1.11 WHIP and 58:18 K:BB through 49.2 innings, though he had allowed seven runs over 4.2 innings across his previous six appearances before his clean outing Saturday.

MLB Stats

Pitching

YearTeamGGSIP SV HLD K H BB HBP HR P/IP Pts
2010LAD25027.04441121510 8.84 238.60
2011LAD51053.25996302623 8.41 451.23
2012LAD65065.025899332236 9.25 601.40
2013LAD75076.22816111481836 9.54 731.73
2014LAD68065.1440101551905 9.86 643.97
2015LAD54052.13618033826 10.35 541.67
2016LAD71068.2470104351124 11.24 771.93
2017LAD65068.141110944725 10.68 729.77
2018LAD69071.2380825417213 7.35 527.03
2019LAD62063.033080511649 7.74 487.90
2020LAD27024.11103319932 7.85 191.07
2021LAD69069.038086363624 8.92 615.80
2022ATL65064.041085452228 8.77 561.20
2023BOS51044.229052401725 7.99 357.03
2024BOS49049.226058371814 8.28 411.13

MILB Stats

Pitching

YearTeamGGSIP SV HLD K H BB HBP HR P/IP Pts
2009LAD (A+)12011.20019141101 3.65 42.63
2010LAD (A+)11018.0002815600 7.34 132.20
2010LAD (AA)22027.08150141700 9.5 256.40
2011LAD (A+)222.00040000 11.4 22.80
2011LAD (AA)506.00292301 7.32 43.90
2015LAD (A+)655.10186101 5.36 28.57

Recent Games

Last 10 MLB Games

DateTeamOpponentGSWinSaveHoldIPTBF RERHKBBHBPHR Pts
Sep 7, 2024 BOS CHW 0 0 1 0 1.0 3 0 0 0 1 0 0 0 14.40
Sep 4, 2024 BOS @NYM 0 0 0 0 0.1 5 4 4 1 1 3 0 0 -7.13
Aug 30, 2024 BOS @DET 0 1 0 0 1.0 5 1 1 2 2 0 0 0 6.20
Aug 28, 2024 BOS TOR 0 0 1 0 1.0 3 0 0 0 1 0 0 0 14.40
Aug 27, 2024 BOS TOR 0 0 0 0 1.0 4 1 1 1 0 0 0 1 -7.50
Aug 20, 2024 BOS @HOU 0 0 1 0 1.0 3 0 0 0 0 0 0 0 12.40
Aug 19, 2024 BOS @HOU 0 0 0 0 0.1 2 1 1 1 1 0 0 1 -10.43
Aug 17, 2024 BOS @BAL 0 0 0 0 1.0 3 0 0 0 1 0 0 0 9.40
Aug 16, 2024 BOS @BAL 0 0 1 0 1.0 3 0 0 0 2 0 0 0 16.40
Aug 13, 2024 BOS TEX 0 0 1 0 1.1 4 0 0 0 1 0 0 0 16.87
Totals 0 1 5 0 9.0 35 7 7 5 10 3 0 2 65.00

Avg Salary & Roster%

Last 30 days

2025 Position Eligibility Progress

To gain eligibility, a player must have 5 GS or 10 G at a position in the majors, or 20 G at a position in the minors.

Transaction History

Date Transaction Type Team Salary
March 28, 2021 4:51 PM add Hickman's Hitters $13
October 9, 2021 4:17 AM increase Hickman's Hitters $15
October 14, 2022 1:16 AM increase Hickman's Hitters $17
October 12, 2023 10:58 AM increase Hickman's Hitters $19
July 11, 2024 12:10 PM move Roca Athletics (from Hickman's Hitters) $19

Recent Trades for Kenley Jansen in FanGraphs Points

Date Proposing Team Proposing Team Gives Accepting Team Accepting Team Gives
August 28, 2024 10:07 PM The Influencer In The Wild✅ Kenley Jansen BOS RP R $10 
Starling Marte NYM OF R $2 
Kyle Tucker HOU OF L $42 
$47 loan 		The Fish 🐠 Luis Garcia HOU SP R $1 60IL
Ezequiel Tovar COL SS R $5 
Jordan Wicks CHC SP L $1 
August 23, 2024 7:40 AM Mismatched Sox Chase DeLauter CLE AAA OF L $3
Colt Emerson SEA A+ SS L $1
 Capt' Crunch Berrios Kenley Jansen BOS RP R $10 
$6 loan
August 14, 2024 1:48 PM Austin Riley Powers Kenley Jansen BOS RP R $10 
 A Drive Into Deep Left Field Mitchell Parker WSN SP L $1 
August 9, 2024 11:58 AM Baba Yaga 🐶 Kenley Jansen BOS RP R $6 
Joc Pederson ARI OF L $6 
Max Muncy LAD 3B L $18 
Dylan Cease SDP SP R $23 
$47 loan 		CLERKS 4: Technocratic Servitude Jarren Duran BOS OF L $6 
July 31, 2024 3:42 PM Busch Banditos Matt Strahm PHI SP/RP L $5 
Drew Thorpe CHW SP R $1 15IL
 Bartolo's Meatballs Kenley Jansen BOS RP R $11 
Brendan Donovan STL 1B/2B/3B/OF L $7 
Chase Dollander COL AA SP R $1
$13 loan
July 28, 2024 2:10 PM Tater Street Josh Lowe TBR OF L $5 
Andrew Nardi MIA RP L $1 60IL 
 Shohei’s Devils Kenley Jansen BOS RP R $7 
July 25, 2024 7:16 PM Legendary Bat Flips Kenley Jansen BOS RP R $6 
Salvador Perez KCR C/1B R $3 
 Bulls on Paredes Mason Miller OAK SP/RP R $10
July 18, 2024 2:33 PM mr David Fry CLE C/1B/3B/OF R $1 
Matt Wallner MIN OF L $4 
Zebby Matthews MIN SP R $4 
 Roñ(ald) Swañsoñ Kenley Jansen BOS RP R $6 
July 16, 2024 9:31 PM Pitches Be Crazy Michael Kopech CHW SP/RP R $1
Luis Garcia HOU SP R $2 60IL
Spencer Schwellenbach ATL SP R $1 
 Joseph Daniel Vottoneu Kenley Jansen BOS RP R $7 
Nolan Arenado STL 3B R $17 
Luis Arraez SDP 1B/2B L $12 
$30 loan
July 9, 2024 8:01 PM Carl Everett's T-Rex Nolan Arenado STL 3B R $17 
Jason Adam TBR RP R $4
Masyn Winn STL 2B/SS R $1 
Kyle Teel BOS AAA C L $1
$1 loan 		The Yellow Darts Kenley Jansen BOS RP R $6 
Craig Kimbrel BAL RP R $7