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Justin Slaten

RP - Boston Red Sox IL15

  • Age 28
  • New Mexico
  • Bats: R
  • Throws: R
Country: USA
Rostered In ~0.5% of leagues

Next Game

DET @ BOS
Sat, 4/18 4:10pm
Rank
P #342
Projection (?)
0 pts

Eligibility

Yahoo
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ESPN
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CBS
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Availability



Justin Slaten (oblique) not expected to be activated when first eligible

The Red Sox do not expect Justin Slaten to be activated when he is first eligible.

Fantasy Impact

Slaten is first eligible to be activated early next week. Red Sox manager Alex Cora said he will start playing catch on Friday or Saturday.

Ari KoslowApr 17, 2026
Justin Slaten (oblique) on IL, targeting April 20 return

Slaten was unavailable out of the bullpen during Tuesday's 3-2 win over Milwaukee due to a sore oblique, and the Red Sox placed him on the 15-day IL Wednesday after a right oblique strain was confirmed. Slaten believes the injury is minor and is hoping to return when first eligible on April 20.

Fantasy Impact

Boston recalled Tyler Samaniego from Triple-A Worcester to fill the open bullpen spot.

Bruno Mulé1 week ago
Justin Slaten fires scoreless inning in relief

Justin Slaten tossed one scoreless inning, allowing one hit and striking out one in Tuesday’s win over Cleveland.

Fantasy Impact

Slaten continues to be quietly effective in a middle-relief role, lowering his ERA to 3.42 with a 0.99 WHIP over 26 1/3 innings. While he’s not a fantasy fixture in standard formats, his efficiency and ratios carry niche value in deep leagues and holds formats.

Joel E. Ruffin Jr.32 weeks ago
Justin Slaten (shoulder) activated from IL

The Red Sox activated Justin Slaten from the 60-day IL.

Fantasy Impact

Slaten had been sidelined since the end of May with a neck injury. He should work his way back into a higher leverage role in the bullpen for Boston.

Ari Koslow33 weeks ago
Justin Slaten (shoulder) expected to be activated Thursday

The Boston Red Sox are expected to activate Justin Slaten on Thursday.

Fantasy Impact

The Red Sox are set to receive a boost to their bullpen, as Slaten has rejoined the team in Baltimore and is expected to be activated on Thursday. Slaten, who has been sidelined since June 1 with right shoulder inflammation, impressed in his rehab assignment by not allowing an earned run over three innings with Triple-A Worcester. He is anticipated to return to his high-leverage role, and Jovani Moran is expected to be optioned to the minors in a corresponding move.

Nicholas Rodriguez33 weeks ago