The Red Sox recalled Campbell (elbow) from Triple-A Worcester on Saturday and placed him on the 60-day injured list, Gabrielle Starr of the Boston Herald reports.
Campbell was placed on the 7-day injured list at Triple-A Worcester on Tuesday with right elbow inflammation, Chris Cotillo of MassLive.com reports.
The Red Sox optioned Campbell to Triple-A Worcester on Thursday, Jen McCaffrey of The Athletic reports.
The Red Sox recalled Campbell from Triple-A Worcester on Monday, Chris Henrique of Beyond the Monster reports.
The Red Sox activated Campbell (shoulder) from the 15-dya injured list Thursday and optioned him to Triple-A Worcester, Christopher Smith of The Springfield Republican reports.
Campbell (shoulder) will begin a rehab assignment with Triple-A Worcester on Wednesday, Chris Cotillo of The Springfield Republican reports.
Campbell (shoulder) has been playing catch from 90 feet out, Christopher Smith of The Springfield Republican reports.
The Red Sox placed Campbell on the 15-day injured list with a right shoulder impingement, Mac Cerullo of the Boston Herald reports.
Campbell (0-1) was charged with the extra-inning loss to Baltimore on Thursday. He allowed six runs (five earned) on four hits and one walk while striking out one over one inning.
Campbell allowed one hit and one walk over a scoreless third of an inning and was charged with a blown save in Saturday's 2-1 loss to the Angels.