Toronto has yet to announce a timetable for Morrow's return, but he's expected back at some point in September. He hasn't pitched for the Blue Jays since he tore a tendon sheath in his right index finger on May 2 in Pittsburgh.
Morrow has spent his entire career in a Blue Jays uniform as a starter, but when he returns, it will be as a reliever. There isn't enough time remaining in the season for Morrow to build up enough stamina to start.
Gregor Chisholm is a reporter for MLB.com. Read his blog, North of the Border, and follow him on Twitter @gregorMLB. This story was not subject to the approval of Major League Baseball or its clubs.