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Justin Slaten BOS RP R 60IL 

Born: 09/15/1997 Age: 27

FanGraphs Player Page

2025 OPL OPL Player Page

On MLB 40-man: NO
Acquired: Trade (NYM) Dec'23

Wed 7/23 Thu 7/24 Fri 7/25
@PHI 7:10 PM EDT --- LAD 7:10 PM EDT

Positions
RP
2026 Earned Positions
RP

All Leagues
Average $2.42 Median $2.00
FanGraphs Points
Average $2.38 Median $2.00

All Leagues
Average $2.10 Median $2.00
FanGraphs Points
Average $1.80 Median $2.00

Roster%
55.66%
Change
7Day 2.44%
30Day 1.84%

2025 OPL 2025 OPL Round 4
OPL Roster%
0.00%
OPL Average Salary
$0.00


July 19, 2025 5:42 PM : Manager Alex Cora said Saturday that Slaten (shoulder) has resumed playing catch, Christopher Smith of MassLive.com reports.
Analysis: The Red Sox pulled Slaten off his throwing program last week in an effort to focus on building strength in his shoulder. Now that the team is satisfied with his strength, the right-handed reliever will begin building back up. He remains without an official return timeline, but he figures to still be multiple weeks away from activation.

MLB Stats

Pitching

YearTeamGGSIP SV HLD K H BB HBP HR P/IP Pts
2024BOS44055.12135847924 6.92 383.07
2025BOS24023.1341614701 7.11 165.97

MILB Stats

Pitching

YearTeamGGSIP SV HLD K H BB HBP HR P/IP Pts
2019TEX (R)101.00010000 9.4 9.40
2019TEX (A-)101015.1002121702 3.6 55.27
2021TEX (A+)201982.1001109331417 3.32 273.37
2022TEX (CPX)101.00020000 11.4 11.40
2022TEX (AA)25550.20364494806 3.35 169.73
2023TEX (AA)35151.12876411609 6.01 308.57
2023TEX (AAA)508.101103401 6.43 53.57
2024BOS (AA)100.10111100 8.61 2.87

Recent Games

Last 10 MLB Games

DateTeamOpponentGSWinSaveHoldIPTBF RERHKBBHBPHR Pts
May 28, 2025 BOS @MIL 0 0 0 0 0.1 3 2 0 1 0 0 0 0 -0.13
May 27, 2025 BOS @MIL 0 0 0 1 1.1 5 0 0 0 1 1 0 0 12.87
May 24, 2025 BOS BAL 0 0 0 0 1.0 4 0 0 1 0 1 0 0 1.80
May 23, 2025 BOS BAL 0 0 0 1 0.2 3 0 0 1 1 0 0 0 8.33
May 20, 2025 BOS NYM 0 0 0 1 1.2 4 0 0 0 0 0 0 0 16.33
May 19, 2025 BOS NYM 0 0 0 1 1.1 4 0 0 0 1 0 0 0 15.87
May 14, 2025 BOS @DET 0 0 0 0 1.0 3 0 0 0 1 0 0 0 9.40
May 13, 2025 BOS @DET 0 0 0 0 1.0 3 0 0 0 3 0 0 0 13.40
May 9, 2025 BOS @KCR 0 0 0 0 1.1 4 0 0 0 0 0 0 0 9.87
May 8, 2025 BOS TEX 0 1 0 0 1.1 4 0 0 0 0 0 0 0 9.87
Totals 0 1 0 4 11.0 37 2 0 3 7 2 0 0 97.60

Last 10 MILB Games

DateLevelTeamOpponentGSWinSave IPTBFRERHKBBHBPHR
Aug 23, 2024 AA POR SOM 0 0 0 0.1 3 1 1 1 1 1 0 0
Sep 24, 2023 AAA RR @TAC 0 0 0 2.0 8 1 1 1 2 1 0 1
Sep 22, 2023 AAA RR @TAC 0 0 0 0.2 5 0 0 1 2 2 0 0
Sep 20, 2023 AAA RR @TAC 0 0 0 1.2 6 0 0 0 1 1 0 0
Sep 17, 2023 AAA RR LV 0 1 0 2.0 7 0 0 1 2 0 0 0
Sep 13, 2023 AAA RR LV 0 0 0 2.0 6 0 0 0 3 0 0 0
Sep 8, 2023 AA FRI NWA 0 0 0 2.0 7 0 0 0 4 1 0 0
Sep 4, 2023 AA FRI NWA 0 0 0 2.0 8 1 1 3 3 0 0 0
Aug 30, 2023 AA FRI CC 0 0 0 2.0 7 0 0 0 5 1 0 0
Aug 25, 2023 AA FRI @MID 0 1 0 2.0 7 0 0 0 1 2 0 0
Totals 0 2 0 16.2 64 3 3 7 24 9 0 1

Avg Salary & Roster%

Last 30 days

2026 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
April 9, 2024 9:52 AM add Southbay $4
April 14, 2024 4:16 PM move Fairhaven Bulldogs (from Southbay) $4
July 3, 2024 3:46 PM cut Fairhaven Bulldogs $2
August 7, 2024 10:37 PM add Fairhaven Bulldogs $2
August 8, 2024 12:04 PM cut Fairhaven Bulldogs $1
August 30, 2024 11:03 AM add Flotsam and Jetsam $2
October 10, 2024 1:06 AM increase Flotsam and Jetsam $4
November 15, 2024 12:11 AM increase Flotsam and Jetsam $5
January 27, 2025 10:41 AM cut Flotsam and Jetsam $0
March 2, 2025 9:00 PM add Bryan Price's 77 Fbombs $3
June 1, 2025 11:29 AM cut Bryan Price's 77 Fbombs $2
July 9, 2025 7:32 PM add Bryan Price's 77 Fbombs $2
July 21, 2025 10:48 PM cut Bryan Price's 77 Fbombs $1

Recent Trades for Justin Slaten in FanGraphs Points

Date Proposing Team Proposing Team Gives Accepting Team Accepting Team Gives
June 17, 2025 4:28 PM Black Magic Ballclub Cole Ragans KCR SP L $22 60IL
Alex Vesia LAD RP L $1
Justin Slaten BOS RP R $1 60IL 
Max Meyer MIA SP R $1 60IL
Tyler Soderstrom ATH C/1B/OF L $3
Dalton Rushing LAD C/OF L $2
 Sunflower Seed Finger ☝️ Aroldis Chapman BOS RP L $7
Carlos Rodon NYY SP L $12 
Devin Williams NYY RP R $15 
Jeremy Pena HOU SS R $5 10IL 
Evan Carter TEX OF L $6 
$15 loan
April 30, 2025 9:24 AM Reset Justin Slaten BOS RP R $1 60IL 
 MillerTime Zebby Matthews MIN SP R $5 
April 15, 2025 10:26 AM West Richfield Street Turkeys Juan Brito CLE AAA 1B/2B/3B S $1
Justin Slaten BOS RP R $1 60IL 
 Murphy's Law Tommy Edman LAD 2B/SS/3B/OF S $14 
$14 loan
April 4, 2025 9:43 AM Just the FIP Zack Wheeler PHI SP R $34 
Juan Soto NYM OF L $61
Wilyer Abreu BOS OF L $5 
Jonathan Aranda TBR 1B/2B L $6 
Justin Slaten BOS RP R $3 60IL 
Mason Miller ATH RP R $10
$37 loan 		GF Chaunceys Salvador Perez KCR C/1B R $6 
Ronald Acuña Jr. ATL OF R $36 
Grayson Rodriguez BAL SP R $15 60IL 
CJ Abrams WSN SS L $7 
Dylan Crews WSN OF R $7 60IL 
JJ Wetherholt STL AAA SS L $1
March 30, 2025 3:29 PM Cape Cod Coyotes Junior Caminero TBR 3B R $10 
 I pulled my Pedro Alex Bregman BOS 3B R $28 
Justin Slaten BOS RP R $1 60IL 
March 29, 2025 1:23 PM 50 Shades of Sonny Gray Spencer Steer CIN 1B/OF R $8 
$10 loan 		Madrigal Mystery Tour Justin Slaten BOS RP R $3 60IL 
March 25, 2025 4:17 PM Hot Pizza 🍕 Victor Scott II STL OF L $1 
 88 mph 💨 Justin Slaten BOS RP R $2 60IL 
March 15, 2025 8:28 PM 🐡 Salmón de Campusano 🐡 Justin Slaten BOS RP R $1 60IL 
Kumar Rocker TEX SP R $3 
Colt Emerson SEA A+ SS L $1
 AKA Big Papi Clay Holmes NYM SP/RP R $7 
Nick Yorke PIT AAA 2B/OF R $5
$8 loan
March 13, 2025 12:19 PM Paper Falls Everywhere 🗽 Tyler Soderstrom ATH C/1B/OF L $2
Colson Montgomery CHW SS/3B L $1 
Kumar Rocker TEX SP R $3 
 Troicinet MacKenzie Gore WSN SP L $8 
Justin Slaten BOS RP R $1 60IL 
$4 loan
February 27, 2025 6:37 PM The Pendletones Trevor Story BOS SS R $3 
Justin Slaten BOS RP R $5 60IL 
 Mallard Express 🦆🚂 Evan Phillips LAD RP R $3 60IL
Zack Gelof ATH AAA 2B R $5