The 28-year-old Redmond made six starts for the Blue Jays this season and posted a respectable 4.22 ERA but had to be sent to the Minors to open up a spot for another reliever.
Right-hander Brad Lincoln is set to be promoted from Buffalo and will rejoin the Blue Jays prior to Saturday evening's game in Anaheim. That will give Toronto a nine-man bullpen as it tries to ease a relief corps that has pitched more than any other team in baseball.
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.