Serven was optioned to Triple-A Buffalo by the Blue Jays on Monday, Mike Wilner of the Toronto Star reports.
Serven will start at catcher and hit in the No. 8 spot in Saturday's game against Tampa Bay.
The Blue Jays selected Serven's contract from Triple-A Buffalo on Thursday, Hazel Mae of Sportsnet reports.
Serven will be on the Blue Jays' Opening Day roster, Arden Zwelling of Sportsnet.ca reports.
Serven went 1-for-3 with a two-run home run in Thursday's Grapefruit League game against the Twins.
The Blue Jays claimed Serven off waivers from the Cubs on Tuesday, Kaitlyn McGrath of The Athletic reports.
The Cubs designated Serven for assignment Thursday.
The Cubs claimed Serven off waivers from the Rockies on Friday.
Colorado optioned Serven to Triple-A Albuquerque on Thursday.
Colorado recalled Serven from Triple-A Albuquerque on Sunday, Patrick Saunders of The Denver Post reports.