The Tigers signed Serven to a minor-league contract Monday that includes an invitation to spring training, Aram Leighton of Just Baseball reports.
The Blue Jays outrighted Serven to Triple-A Buffalo on Thursday.
The Blue Jays designated Serven for assignment Monday.
Serven went 2-for-4 with two doubles and a run scored in Thursday's win over the Red Sox.
Serven went 2-for-4 with a run scored and two RBI in Friday's 8-5 win over the Yankees.
The Blue Jays recalled Serven from Triple-A Buffalo on Sunday.
The Blue Jays optioned Serven to Triple-A Buffalo on Thursday, Shi Davidi of Sportsnet.ca reports.
The Blue Jays recalled Serven from Triple-A Buffalo on Monday.
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.