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Red Sox's Justin Slaten: Progresses to playing catch
Rotowire
Red Sox manager Alex Cora told reporters that Slaten (oblique) played catch Friday and Saturday, Gabrielle Starr of the Boston Herald reports.
Slaten landed on the 15-day injured list April 8 due to a right oblique strain. He's progressed enough in his recovery to start playing catch and will likely need some turns on a rehab assignment before being cleared to return to major-league action. Slaten appeared in four regular-season games prior to his IL stint, recording two holds while allowing one unearned run on two hits and two walks with five strikeouts over 3.1 innings.
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Red Sox's Justin Slaten: Shelved with oblique strain
Rotowire
The Red Sox placed Slaten on the 15-day injured list Wednesday due to a right oblique strain.
Boston had previously noted that Slaten wasn't available out of the bullpen for Tuesday's 3-2 win over Milwaukee due to a sore oblique, but the righty reliever will now be shut down for at least two weeks after being diagnosed with a strain. The Red Sox recalled lefty Tyler Samaniego from Triple-A Worcester to take Slaten's spot in the bullpen. For his part, Slaten believes his injury is minor and is hopeful to return from the IL when first eligible April 20, per Jen McCaffrey of The Athletic.
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Red Sox's Justin Slaten: Dealing with sore oblique
Rotowire
Slaten was unavailable for Tuesday's game against the Brewers due to oblique soreness, Chris Cotillo of MassLive.com reports.
The team has labeled Slaten as day-to-day, so his injury doesn't seem to be too severe. The 28-year-old is off to a strong start this season after striking out five batters over 3.1 shutout innings, picking up holds in two of his four appearances.
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Red Sox's Justin Slaten: Works clean eighth inning
Rotowire
Slaten struck out one over a perfect inning to earn a hold in Friday's 5-2 win over San Diego.
Slaten pitched a 1-2-3 eighth inning to earn his second hold in three appearances this season, both of which set up saves for closer Aroldis Chapman. Coming off a 2025 season affected by a shoulder injury, a healthy Slaten will be a vital piece of the bullpen's setup crew in 2026.
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Red Sox's Justin Slaten: Struggles continue
Rotowire
Slaten allowed two runs on two hits and one walk over a third of an inning in Wednesday's 5-4 loss to the Athletics.
Slaten entered with Boston up a run and loaded the bases before getting the hook (10 pitches, four strikes). He was replaced by Steven Matz, who allowed a two of those inherited runners to score. Slaten was expected to be a bullpen asset when the Red Sox activated him from the injured list in late August, but the right-hander has been pummeled in six outings. Slaten has allowed seven runs on 12 hits and two walks over 5.1 innings.
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Red Sox's Justin Slaten: Shaky first outing off IL
Rotowire
Slaten allowed two hits and one walk while striking out one over a scoreless inning in Friday's 4-2 loss to the Pirates.
This was Slaten's first appearance since he was activated off the injured list Thursday, and understandably, it was shaky. He allowed a leadoff single to Oneil Cruz, who was then erased on a double play, but Slaten then issued a two-out walk and allowed a single before wriggling out of the threat. Slaten's previous appearance in the majors was May 28.
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Red Sox's Justin Slaten: Activation expected Thursday
Rotowire
Slaten (shoulder) is expected to be activated from the 60-day injured list ahead of Thursday's series finale in Baltimore, Christopher Smith of MassLive.com reports.
Slaten hasn't pitched in the majors since late May, when he was placed on the injured list with what was initially described as right shoulder inflammation. He later learned that his transverse process was pressing against nerves, causing soreness. Slaten looks to be healthy again after tossing three scoreless innings across three rehab appearances at Triple-A Worcester, and he could eventually move back into a setup role for Boston. Slaten posted a 3.47 ERA with four holds, three saves and a .171 batting average against in 24 appearances for Boston prior to landing on the shelf.
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Red Sox's Justin Slaten: Back from 60-day IL
Rotowire
The Red Sox activated Slaten (shoulder) from the 60-day injured list Thursday, Tim Healey of The Boston Globe reports.
Slaten is finally ready to rejoin the Boston bullpen after missing the past three months with right shoulder inflammation. The 27-year-old should eventually return to a setup role for the Red Sox, but he'll likely be eased into such situations following a long layoff.
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Red Sox's Justin Slaten: Activation imminent
Rotowire
Red Sox manager Alex Cora said Monday that Slaten (shoulder) probably won't require another rehab appearance before being activated from the 60-day injured list, Tim Healey of The Boston Globe reports.
Slaten has made three rehab appearances with Triple-A Worcester, yielding just one unearned run with a 5:1 K:BB over three innings. The reliever has been shelved since late May due to right shoulder inflammation.
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Red Sox's Justin Slaten: Sent out on rehab assignment
Rotowire
Slaten (shoulder) will begin a rehab assignment with Triple-A Worcester on Tuesday, Ian Browne of MLB.com reports.
Slaten had been scheduled to throw a live batting practice session Monday. However, he's feeling good enough that the Red Sox have opted to have him skip that session in order to send him out on a rehab assignment right away. Slaten has been shelved since early June with right shoulder inflammation, so he'll likely need multiple appearances in the minors before making his return to the Boston bullpen.
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Red Sox's Justin Slaten: To throw live BP
Rotowire
Slaten threw a bullpen Friday and is scheduled to throw live batting practice Monday, Jen McCaffrey of The Athletic reports.
Slaten is set to face hitters for the first time since being placed on the injured list June 1, and this is likely his last step before beginning a rehab assignment. The 27-year-old could return as soon as late August.
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Red Sox's Justin Slaten: Bullpens scheduled
Rotowire
Slaten (shoulder) is scheduled to throw bullpen sessions Monday and Wednesday, MLB.com reports.
The second of those bullpen sessions is expected to include an up-and-down. Following that, Slaten should be ready to face hitters, which would be the final step before going on a rehab assignment.
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Red Sox's Justin Slaten: Throws off mound
Rotowire
Slaten (shoulder) threw off a mound at Fenway Park on Tuesday, Rob Bradford of WEEI.com reports.
Slaten looked to be throwing at full effort in his first time tossing from the bump since he landed on the injured list in early June due to right shoulder inflammation. The right-hander will surely require some rehab appearances before being activated from the 60-day injured list, and it's not clear when he might be ready for game action in the minors.
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Red Sox's Justin Slaten: Restarts throwing program
Rotowire
Manager Alex Cora said Saturday that Slaten (shoulder) has resumed playing catch, Christopher Smith of MassLive.com reports.
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.
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Red Sox's Justin Slaten: No longer throwing
Rotowire
Red Sox manager Alex Cora said Thursday that Slaten (shoulder) is no longer throwing and is instead doing plyometric exercises, Christopher Smith of MassLive.com reports.
Out since late May with right shoulder inflammation, Slaten played catch back on June 27, but he's backed off a throwing program since then and is focusing on rebuilding shoulder strength. Once he's throwing again, Slaten will need time to build back up, so he looks to be several weeks away from a potential return.
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Red Sox's Justin Slaten: Moved to 60-day IL
Rotowire
The Red Sox transferred Slaten (shoulder) to the 60-day injured list Saturday.
The move to the 60-day IL means that Slaten will not return to the majors until late July. The move isn't all that surprising, considering the 27-year-old right-hander was recently cleared to start a throwing program as he works through right shoulder inflammation. In corresponding moves, Boston placed Luis Guerrero (elbow) on the 15-day IL and reinstated Chris Murphy (elbow) from the 60-day IL.
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Red Sox's Justin Slaten: Starting up throwing program
Rotowire
Slaten (shoulder) is scheduled to play catch Saturday, Mac Cerullo of the Boston Herald reports.
It will be the right-hander's first time throwing since he landed on the injured list nearly a month ago due to shoulder inflammation. Slaten will require some time to build back up in his throwing program, so he shouldn't be expected to rejoin the Red Sox until after the All-Star break.
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Red Sox's Justin Slaten: Not cleared to throw yet
Rotowire
Slaten (shoulder) hasn't started playing catch yet, Christopher Smith of MassLive.com reported Friday
Slaten has been shut down from throwing for nearly two weeks, having not played catch since hitting the injured list June 1 with right shoulder inflammation. It's unclear when he'll get the green light to throw, but he may not be ready to go until July.
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Red Sox's Justin Slaten: Still not throwing
Rotowire
Slaten (shoulder) has yet to play catch since being placed on the injured list Sunday, Christopher Smith of MassLive.com reports.
Slaten was diagnosed with shoulder fatigue when he was placed on the injured list, so the issue didn't appear to be overly serious. However, he's likely to be sidelined until at least late June given his lack of progress.
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Red Sox's Justin Slaten: Out with shoulder issue
Rotowire
The Red Sox placed Slaten on the 15-day injured list Sunday due to right shoulder inflammation.
According to Chris Cotillo of MassLive.com, Slaten experienced some fatigue after his most recent appearance in Milwaukee on Wednesday, when he took the loss and a blown save after giving up two unearned runs in one-third of an inning. The right-hander will be eligible to be reinstated June 13, and he could be ready to rejoin the Red Sox at that point since his injury doesn't appear to be overly serious.
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