The Blue Jays recalled Bloss from Triple-A Buffalo on Wednesday and placed him on the 60-day injured list with a right teres major strain, Keegan Matheson of MLB.com reports.
The transaction clears a spot on the 40-man roster for the addition of waiver claim Paul Sewald. Bloss has been sidelined for the past month with a teres major strain, and it's unclear when he might be ready to pitch again.