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INJURY ALERT Out | Elbow | Since Aug 13, 2026
Justin Slaten

Justin Slaten

RP • Boston Red Sox Proj Rank N/A Actual N/A N/A • Trade Value
IP ERA W-L HLD SV K/BB K/9 WHIP FSP
26.2 5.4 2-4 17 0 39/8 13.2 1.61 1.46
Compared to same point last season
23.03.911-44319/87.41.09

Justin Slaten | Fantasy Outlook

Justin Slaten remains sidelined by elbow inflammation as Red Sox battle for playoff positioning

Slaten was placed on the 15-day injured list on August 13 with right elbow inflammation, stalling his bullpen contributions. Prior to the shutdown, he posted a solid 2.73 ERA across his last 30 days while collecting 17 holds as a leverage arm for the 68-59 Red Sox. His absence further tests a Boston pitching staff dealing with several injuries.

Slaten's 39 strikeouts across 25.5 innings highlight impressive bat-missing talent, yet his 1.69 WHIP and 5.65 ERA show significant command volatility compared to our projected 4.05 ERA. While his past success proves his ceiling, recurring arm ailments make his rest-of-season efficiency difficult to trust in standard formats.

Boston wraps up the week hosting the Giants, but Slaten will remain inactive while rehabbing his elbow. With no immediate path to saves and uncertain health, he should not be occupying an active roster slot in standard leagues. Sit.

Updated 12 days ago

Justin Slaten Fantasy

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DATE OPP INN PC K WLK ER DEC ERA WHIP PTS
08/12 @TOR 1.0 21 1 1 0 N/A 5.40 1.61 3
08/08 ATH 0.2 14 0 1 1 N/A 5.61 1.64 -1
08/06 CHW 1.0 17 2 0 1 N/A 5.40 1.60 2
08/02 @LAD 0.1 5 0 0 0 HOLD 5.25 1.54 1
08/01 @LAD 1.0 8 1 0 0 WIN 5.32 1.56 8
07/29 @ATH 1.0 19 1 0 0 N/A 5.56 1.63 3
07/27 @ATH 0.2 5 0 0 0 HOLD 5.82 1.66 1
07/26 TOR 1.0 12 1 0 0 HOLD 6.00 1.71 3
07/22 BAL 1.1 19 1 0 0 HOLD 6.30 1.80 3
07/17 TB 1.0 12 1 0 0 HOLD 6.00 1.67 3
07/11 @NYM 0.2 17 2 1 0 HOLD 6.30 1.75 2
07/09 @CHW 1.0 8 1 0 0 HOLD 6.52 1.71 3
07/07 @CHW 0.2 10 2 0 0 HOLD 6.87 1.80 3
07/05 @LAA 1.0 18 1 0 1 N/A 7.13 1.87 1
06/30 WAS 0.2 13 2 0 1 N/A 7.02 1.86 1
06/28 NYY 1.0 16 1 0 0 WIN 6.75 1.81 8
06/27 NYY 0.2 12 2 0 0 HOLD 7.20 1.87 3
06/24 @COL 1.0 19 1 0 2 LOSS 7.54 1.95 -6
06/23 @COL 1.0 7 0 0 0 N/A 6.75 1.80 2
06/19 @SEA 0.1 6 1 0 0 HOLD 7.30 1.86 2
06/18 TOR 1.0 15 1 0 0 N/A 7.50 1.92 2
06/13 TEX 1.0 16 1 0 0 N/A 8.18 1.91 3
06/10 @TB 0.2 19 0 0 2 N/A 9.00 2.00 -2
06/07 @NYY 0.2 25 2 1 4 LOSS 6.17 1.46 -8
06/05 @NYY 1.0 4 0 0 0 HOLD 3.27 1.18 2
05/30 @CLE 1.1 21 2 1 0 HOLD 3.60 1.30 4
05/22 MIN 0.2 28 1 1 4 LOSS 4.15 1.27 -9
05/19 @KC 1.0 12 2 0 0 HOLD 0.00 0.75 4
05/18 @KC 1.0 17 2 0 0 HOLD 0.00 0.86 4
05/14 PHI 0.2 8 1 0 0 N/A 0.00 1.00 2
05/13 PHI 1.0 14 0 0 0 HOLD 0.00 0.94 2
05/10 TB 1.0 15 1 0 0 N/A 0.00 0.92 3
04/04 SD 1.0 19 1 0 0 N/A 0.00 1.20 3
04/03 SD 1.0 9 1 0 0 HOLD 0.00 1.29 3
03/28 @CIN 0.1 11 1 1 0 LOSS 0.00 2.25 -4
03/26 @CIN 1.0 17 2 1 0 HOLD 0.00 1.00 4
Totals: 26.250839816 54
Fantasy Chart Loading...
YEAR TM APP INN PC K WLK SV W-L ERA WHIP K/9 PTS
2024 BOS 44 53.0 811 58 9 2 6-2 2.89 1.04 9.9 154
2025 BOS 38 33.2 528 26 11 3 2-4 4.54 1.16 7 67
2026 BOS 36 26.2 508 39 8 0 2-4 5.4 1.61 13.2 54
ON PACE 42 31 596 45 9 0 2-4 5.4 1.61 13.2 63
3-YEAR AVG 41 41 670 42 10 3 4-3 3.61 1.11 8.9 110
Career 118 108.2 1847 123 28 0 0-0 4.14 1.26 10.2

Slaten Projection

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No projection for this week.
No projection for today.
Not available due to injury or suspension.
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OWN START TRENDS

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Depth Chart

Boston Red Sox

Roster Breakdown
NAME OWN START
Adley Rutschman 73% 54%
Mickey Gasper 9% 8%
NAME OWN START
Willson Contreras 92% 43%
Caleb Durbin 71% 60%
Curtis Mead 22% 1%
Romy Gonzalez 1% 0%
Triston Casas 1% 0%
NAME OWN START
Nick Sogard 32% 29%
Trevor Story 26% 14%
Andruw Monasterio 17% 12%
Franklin Arias 8% 0%
Kristian Campbell 2% 0%
Anthony Seigler 2% 1%
Isiah Kiner-Falefa 2% 0%
NAME OWN START
Wilyer Abreu 98% 93%
Ceddanne Rafaela 96% 88%
Roman Anthony 87% 61%
Jarren Duran 78% 68%
Masataka Yoshida 3% 0%
NAME OWN START
Sonny Gray 100% 75%
Payton Tolle 95% 74%
Ranger Suarez 84% 55%
Garrett Crochet 77% 11%
Jake Bennett 60% 32%
Patrick Sandoval 11% 6%
Brayan Bello 8% 6%
Tanner Houck 1% 0%
NAME OWN START
Aroldis Chapman 98% 98%
Garrett Whitlock 36% 31%
Tyron Guerrero 9% 8%
Erik Miller 8% 8%
Justin Slaten 2% 1%

Team Rankings

AVG
.249
8th
R
618
15th
HR
140
24th
RBI
590
16th
SB
97
11th
OBP
.323
9th
SLG
.405
11th
OPS
.728
8th
W
75
8th
SV
37
16th
ERA
3.60
4th
WHIP
1.23
6th
QS
54
6th
TeamW-LWin %GBRSRA
RaysRays82-55.599-618565
YankeesYankees78-60.5654.5623515
Red SoxRed Sox75-63.5437.5618533
OriolesOrioles69-69.50013.5628645
Blue JaysBlue Jays68-70.49314.5548598

Team Stats

PlayerGPABRHHRRBISBAVGO/S
Adley Rutschman8230035719510.237  
Mickey Gasper4613718386200.277  
Connor Wong6818721464233.246  
PlayerGPABRHHRRBISBAVGO/S
Willson Contreras1254346611926793.274  
Romy Gonzalez1965712171.185  
PlayerGPABRHHRRBISBAVGO/S
Nick Sogard4315524423130.271  
Anthony Seigler4814821373132.250  
Marcelo Mayer7020519453223.220  
Isiah Kiner-Falefa4711919332137.277  
PlayerGPABRHHRRBISBAVGO/S
Curtis Mead88285497217486.253  
Caleb Durbin13143966111126216.253  
Nate Eaton143234152.125  
Brett Harris6600000.000  
PlayerGPABRHHRRBISBAVGO/S
Andruw Monasterio9628634716404.248  
Trevor Story4317317383224.220  
Tsung-Che Cheng1439710050.256  
PlayerGPABRHHRRBISBAVGO/S
Wilyer Abreu1355157613123708.254  
Jarren Duran12948861101196818.207  
Ceddanne Rafaela13352967150167017.284  
Eli White8816425385205.232  
Masataka Yoshida8726334725282.274  
Roman Anthony321171429152.248  
PlayerGPABRHHRRBISBAVGO/S
Jahmai Jones7912717274133.213  
PlayerGPWLSVIPSOERAWHIPO/S
Payton Tolle23860131.01473.231.10  
Sonny Gray251640143.21282.821.18  
Ranger Suárez24540123.21193.641.24  
Connelly Early1775091.2933.441.26  
Jake Bennett1696093.2743.271.04  
Brayan Bello2157194.2704.851.42  
Patrick Sandoval913045.0484.201.71  
Garrett Crochet633030.0376.301.47  
Eduardo Rivera401010.0106.301.40  
Wyatt Olds61006.080.001.17  
Johan Oviedo10003.239.821.91  
Tyler Uberstine10102.223.381.50  
PlayerGPWLSVIPSOERAWHIPO/S
Aroldis Chapman47343045.2601.771.14  
Erik Miller4930444.0652.251.27  
Garrett Whitlock4661245.0502.000.87  
Greg Weissert5532151.2523.831.24  
Raymond Burgos400112.175.840.97  
Alec Gamboa1410124.0161.130.92  
Tommy Kahnle80009.058.002.00  
Danny Coulombe2902022.0104.501.50  
Tyron Guerrero3812038.2363.261.14  
Jack Anderson10003.043.000.67  
Zack Kelly1702016.1143.311.29  
Justin Slaten3624031.1394.601.37  
Seth Martinez10001.019.002.00  
Tyler Samaniego2003020.1172.661.48  
Jovani Morán4323058.1633.551.15  
Joe La Sorsa10000.1127.003.00  

Owned Breakdown

Add/Drop Advice

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Schedule

DATE OPP SCORE MATCHUP
08-31 SEAW 9-8Payton Tolle
George Kirby
09-01 SEA06:45 EDT
Bryan Woo
09-02 SEA04:10 EDTPatrick Sandoval
Bryce Miller
09-03 @BAL07:15 EDTJake Bennett
Brandon Young
09-04 @BAL07:05 EDTRanger Suarez
Shane Baz
09-05 @BAL07:05 EDTSonny Gray
Chris Bassitt
09-06 @BAL01:35 EDTPayton Tolle
Kyle Bradish

Player Timeline

Apr 8th

Red Sox Place Justin Slaten on IL; Recall Tyler Samaniego

Player News

  • Isiah Pacheco RB • DET NFL

    Lions Place Isiah Pacheco on Injured Reserve

    @ProFootballTalk

  • Bo Naylor C • MIL MLB

    Bo Naylor Discusses Challenges of Learning a New Pitching Staff in September

    @AdamMcCalvy

  • Carlos Correa SS • HOU MLB

    Carlos Correa Nears MLB Return, Begins Live-Pitching and Baserunning Work in Florida

    @Chandler_Rome

  • Blaze Alexander 3B • BAL MLB

    Orioles Await Luis Robert Jr.’s Arrival as Potential New Era Begins

    @jcalvinmeyer

  • John Schreiber RP • NYY MLB

    Yankees Reinstate Ryan McMahon, Add Pitcher John Schreiber to Active Roster

    @Yankees

  • John Schreiber RP • NYY MLB

    Yankees Reinstate Ryan McMahon, Add John Schreiber to Active Roster

    @YankeesPR

  • Isiah Pacheco RB • DET

    Lions Place Isiah Pacheco on Injured Reserve

    @ProFootballTalk

  • Brayden Willis TE • SF

    49ers May Waive Brayden Willis and Re-Sign Jon Weeks Once George Kittle Is Ready for Week 1

    @LombardiHimself

  • Luther Burden WR • CHI

    Bears WR Luther Burden III Returns to Practice, Runs Routes

    @NicholasMoreano

  • Joey Porter CB • PIT

    Joey Porter Jr. Gives Mixed Answers on Whether He’ll Play if Healthy

    @MikeDeFabo

  • Ja'Marr Chase WR • CIN

    Ja’Marr Chase to Be Limited in Bengals Practice This Week Due to Knee Injury

    @AroundTheNFL

  • A.J. Brown WR • NE

    Jalen Hurts Acknowledges He and A.J. Brown Grew Apart Before Eagles Trade

    @McClain_on_NFL

  • Bo Naylor C • MIL

    Bo Naylor Discusses Challenges of Learning a New Pitching Staff in September

    @AdamMcCalvy

  • Carlos Correa SS • HOU

    Carlos Correa Nears MLB Return, Begins Live-Pitching and Baserunning Work in Florida

    @Chandler_Rome

  • Blaze Alexander 3B • BAL

    Orioles Await Luis Robert Jr.’s Arrival as Potential New Era Begins

    @jcalvinmeyer

  • John Schreiber RP • NYY

    Yankees Reinstate Ryan McMahon, Add Pitcher John Schreiber to Active Roster

    @Yankees

  • John Schreiber RP • NYY

    Yankees Reinstate Ryan McMahon, Add John Schreiber to Active Roster

    @YankeesPR

  • Carlos Correa SS • HOU

    Carlos Correa Cleared to Continue Rehab, Eyes MLB Return This Month

    @Chandler_Rome

  • Bam Adebayo C • MIA

    OG Anunoby’s MSG Game-Winner Named 2025–26 NBA Clutch Moment of the Year

    @NBA

  • Stephen Curry PG • GS

    Stephen Curry’s 11-Minute Highlight Reel of No-Look Threes

    @warriors

  • Jalen Duren C • DET

    Lakers could've helped Pistons avoid Jalen Duren disaster that's still in play

    Piston Powered

  • Bam Adebayo C • MIA

    Luka Dončić Wins 2025–26 NBA ID Fan Favorite Handle of the Year

    @NBA

  • Nick Richards C • MIA

    Nick Richards Aims to Prove Heat Wrong After Being Overlooked

    @IraHeatBeat

  • Bam Adebayo C • MIA

    Luke Kornet’s Chase-Down Block Named 2025–26 NBA Fan Favorite Block of the Year

    @NBA

  • Matthew Mayich D •

    Attorney Says Injured Hockey Player Matthew Mayich Has No Chance of Recovery, Criticizes Arizona State’s Response

    @JeffMarek

  • Claude Giroux RW • OTT

    Claude Giroux’s Hall of Fame Case Gains Momentum Ahead of NHL Opening Night

    @JFreshHockey

  • Gabe Smith C •

    Utah Mammoth Announces Rookie Camp Roster; Desnoyers Returns After Summer Injury

    @BagleyKSLsports

  • Manny Malhotra HC • VAN

    Canucks Coaching Staff Set Standards Ahead of New NHL Season

    @Canucks

  • Nils Lundkvist D • DAL

    Nils Lundkvist Emerges as an Impact Defenseman for Dallas Despite Early Injury

    @DallasStars

  • Jake Livanavage D • PIT

    Jake Livanavage Adds 15 Pounds Ahead of NHL Prospect Tournament

    @penguins

Waiver Trends

More Trends
Randy Vasquez SD SP +12.1
Lazaro Montes SEA RF +7.4
Coby Mayo BAL 3B +7.4
Eric Lauer LAD SP +7.3
Hector Rodriguez CIN RF +6.5
Heriberto Hernandez MIA LF +6.0
Randy Dobnak KC SP +6.0
Andrew Painter PHI SP +5.9
Bryce Eldridge SF 1B +5.2
Ethan Salas SD C +4.5
Hayden Wesneski HOU SP +4.3
Sam Antonacci CHW LF +4.1
Daylen Lile WAS LF +4.1
Peter Lambert HOU SP +4.0
Mason Montgomery PIT RP +3.8
Zac Thornton NYM SP -5.9
Dustin May MIL SP -5.7
Pedro Ramirez CHC 2B -5.4
Tyler Mahle ATL SP -4.8
Kade Anderson SEA SP -4.4
Chris Bassitt BAL SP -3.8
Trent Grisham NYY CF -3.3
Royce Lewis MIN 1B -3.2
George Lombard Jr. NYY SS -3.1
Caleb Durbin BOS 3B -3.0
Janson Junk MIA SP -3.0
Joshua Baez STL LF -2.9
Emerson Hancock SEA SP -2.9
Alec Bohm PHI 3B -2.8
Michael McGreevy STL SP -2.8