Harrell was placed on the minor-league disabled list Wednesday, Keegan Matheson of MLB.com reports.
Harrell has cleared waivers and was outrighted to Triple-A Buffalo, Mike Wilner of Sportsnet 590 The Fan reports.
The Blue Jays designated Harrell for assignment Monday, Shi Davidi of Sportsnet.ca reports.
Harrell's contract was purchased from Triple-A Buffalo on Saturday, Mike Wilner of Sportsnet 590 The Fan reports.
Harrell agreed to a minor league deal with the Blue Jays on Monday that includes an invitation to spring training, Ben Nicholson-Smith of Sportsnet.ca reports.
Harrell declined his outright assignment and was granted free agency Friday.
Harrell (groin) cleared outright waivers and has the option to decline an assignment to Triple-A and become a free agent, the Fort Worth Star-Telegram's Stefan Stevenson reports.
Harrell (right groin strain) was placed on the 15-day DL on Wednesday.
Harrell left Tuesday's game with a right groin strain, Stefan Stevenson of the Fort Worth Star-Telegram reports.
Harrell gave up six runs on nine hits and one walk while striking out eight over six innings in a no-decision against the Rockies on Thursday.