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Kenley Jansen BOS RP R 15IL 

Born: 09/30/1987 Age: 36

FanGraphs Player Page

2024 OPL OPL Player Page

Signed By

STL cAARPinals for $6

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

Sat 9/28 Sun 9/29 Mon 9/30
TBR 4:10 PM EDT TBR 3:05 PM EDT ---

Positions
RP
2025 Projected Positions
RP

All Leagues
Average $10.78 Median $10.00
H2H FanGraphs Points
Average $7.59 Median $8.00

All Leagues
Average $9.50 Median $6.50
H2H FanGraphs Points
Average $6.60 Median $7.00

Roster%
88.4%
Change
7Day 7.21%
30Day 9.41%

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


September 23, 2024 4:22 PM : The Red Sox placed Jansen on the 15-day injured list Monday with right shoulder inflammation, Jen McCaffrey of The Athletic reports.
Analysis: The move was reported Sunday and now the transaction is official, which ends Jansen's season. Jansen has battled through a shoulder problem throughout this month, and since the Red Sox are out of the playoff hunt, they have opted to go ahead and shut him down. The Red Sox will turn to Chris Martin and Justin Slaten as closer options over the final week of the season. Jansen will be a free agent this offseason and has likely thrown his last pitch for the Red Sox.

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
2024BOS54054.227062382014 8.28 452.53

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 22, 2024 BOS MIN 0 0 0 0 1.0 3 0 0 0 1 0 0 0 9.40
Sep 20, 2024 BOS MIN 0 0 0 0 1.0 3 0 0 0 0 0 0 0 7.40
Sep 18, 2024 BOS @TBR 0 0 1 0 1.0 5 0 0 0 2 2 0 0 10.40
Sep 12, 2024 BOS @NYY 0 0 0 0 1.0 3 0 0 0 1 0 0 0 9.40
Sep 11, 2024 BOS BAL 0 0 0 0 1.0 3 0 0 1 0 0 0 0 4.80
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
Totals 0 1 3 0 9.1 37 6 6 5 9 5 0 1 61.77

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 3, 2024 7:37 PM add STL cAARPinals $6

Recent Trades for Kenley Jansen in H2H FanGraphs Points

Date Proposing Team Proposing Team Gives Accepting Team Accepting Team Gives
August 30, 2024 9:50 PM Andyfa Empire 🥷🏼 Royce Lewis MIN 3B R $4
Vinnie Pasquantino KCR 1B L $5 10IL 
 🐸Da Frogz🐸 Kenley Jansen BOS RP R $6 15IL 
José Ramírez CLE 3B S $50 
Josh Naylor CLE 1B L $5
Randy Arozarena SEA OF R $16 
$63 loan
August 30, 2024 10:07 AM Northern Lights Kenley Jansen BOS RP R $11 15IL 
Lawrence Butler OAK OF L $5 
 Mill City Maestros Brandon Marsh PHI OF L $2 
Jose Alvarado PHI RP L $4
David Hamilton BOS 2B/SS L $4 10IL
August 27, 2024 2:32 PM BesmerGate-irez Colton Cowser BAL OF L $6 
Jordan Lawlar ARI AAA SS R $4
 Saint Louis is Playin Kenley Jansen BOS RP R $11 15IL 
Bryce Harper PHI 1B L $41
Devin Williams MIL RP R $11 
Lourdes Gurriel Jr. ARI OF R $10 
$63 loan
August 19, 2024 3:12 AM Columbia River Bluesox 🍏 Jordan Walker STL OF R $6 
 Skin Tag Warehouse: The Musical Kenley Jansen BOS RP R $9 15IL 
Clay Holmes NYY RP R $5
$8 loan
August 12, 2024 2:17 AM Manchester Skywalkers ⚾️ Nolan Schanuel LAA 1B L $1 
 Sacramento Solons Kenley Jansen BOS RP R $4 15IL 
$3 loan
August 4, 2024 4:14 AM here comes the pizza Christian Walker ARI 1B R $11 
Jared Jones PIT SP R $4 
Ben Joyce LAA RP R $1 15IL
Yoshinobu Yamamoto LAD SP R $34 
 the hrkac circus Kenley Jansen BOS RP R $11 15IL 
Kyle Schwarber PHI OF L $21 
Dylan Cease SDP SP R $15 
Pete Alonso NYM 1B R $42
$39 loan
July 19, 2024 11:02 AM Elbow Insecurity Kenley Jansen BOS RP R $7 15IL 
$4 loan 		A Little Out of Context ✏️ Luke Raley SEA 1B/OF L $3 
July 17, 2024 12:07 PM The High Priest of Bop Kenley Jansen BOS RP R $9 15IL 
Shota Imanaga CHC SP L $21 
$20 loan 		Buggy Whip Willy Adames MIL SS R $10
July 5, 2024 5:45 PM Apollo's Last Round 🥊 Kenley Jansen BOS RP R $7 15IL 
Kyle Schwarber PHI OF L $33 
$33 loan 		Glosta 108s Royce Lewis MIN 3B R $7
July 1, 2024 9:34 AM Solo F'ing Shot Kenley Jansen BOS RP R $11 15IL 
Vladimir Guerrero Jr. TOR 1B/3B R $46 
Eloy Jimenez CHW OF R $25 
Jonathan India CIN 2B R $10 
$43 loan 		José Ramírez Helmet Count: 92 Matt Olson ATL 1B L $39
Brent Rooker OAK OF R $6
Jake McCarthy ARI OF L $3 
Josh H. Smith TEX SS/3B/OF L $1