The Blue Jays released Biagini from his minor-league contract Tuesday.
Biagini was reassigned to minor-league spring training Thursday, Mitch Bannon of SI.com reports.
Biagini signed a minor-league deal with Toronto on Thursday, Jamie Campbell of Sportsnet reports.
Biagini was returned to Triple-A Iowa on Monday, Jordan Bastian of MLB.com reports.
Biagini (1-0) pitched three scoreless innings of relief to earn the win Sunday against the Cardinals. He allowed two hits and a walk while striking out two.
Biagini's contract was selected from Triple-A Iowa on Saturday, Jordan Bastian of MLB.com reports.
Biagini signed a minor-league contract with the Cubs on Dec. 17, Chris Hilburn-Trenkle of Baseball America reports.
Biagini elected free agency rather than accept an outright assignment to the minors Friday, Jake Kaplan of The Athletic reports.
The Astros outrighted Biagini to Triple-A Round Rock on Wednesday, Chandler Rome of the Houston Chronicle reports.