The Blue Jays designated Danner for assignment Friday, Ben Nicholson-Smith of Sportsnet.ca reports.
Triple-A Buffalo placed Danner on its 7-day injured list Tuesday with an unspecified injury.
Toronto transferred Danner (oblique) from the 15-day injured list to the 60-day injured list Friday, Kaitlyn McGrath of The Athletic reports.
Danner was placed on the 15-day injured list with a left oblique strain Saturday, Kaitlyn McGrath of The Athletic reports.
Danner was recalled from Triple-A Buffalo on Friday.
The Blue Jays promoted Danner to Triple-A Buffalo on Tuesday, Sam Dykstra of MiLB.com reports.
Double-A New Hampshire reinstated Danner (forearm) from its 7-day injured list Wednesday.
Danner (forearm), who has resided on Double-A New Hampshire's 7-day injured list since April 6, made a rehab outing with Single-A Dunedin on Thursday, striking out two and allowing one run on one hit and two walks over one inning.
Danner (forearm) was optioned Monday to minor-league camp by the Blue Jays, Keegan Matheson of MLB.com reports.
Danner is battling right forearm inflammation and won't throw for the next few days, Mitch Bannon of SI.com reports.