Anibal Sanchez allowed four runs over five innings in a loss to the Indians on Saturday.
Jordan Zimmermann was charged with seven runs and a loss in his 3 2/3 innings of work against the Indians on Friday.
Cameron Maybin continued his hot hitting with a 3-for-4 night at the plate on Friday.
Tigers sent OF Wynton Bernard outright to Double-A Erie.
Steven Moya doubled in a run and walked twice Thursday as the Tigers edged the Mariners 5-4 in 10 innings.
Daniel Norris surrendered three runs in five innings Thursday against the Mariners.
According to MLB.com's Jonathan Mayo, the Tigers have signed first-round pick Matt Manning.
Cameron Maybin is sitting out Thursday.
Victor Martinez is not in the Tigers' starting lineup Thursday afternoon against the Mariners.
Steven Moya launched two solo home runs to lead the Tigers to a 5-1 victory over the Mariners on Wednesday.
Michael Fulmer held the Mariners to one run but only managed to last 4 1/3 innings Wednesday in a no-decision.
Daniel Norris will be called up to start Thursday afternoon against the Mariners.
Justin Verlander logged a quality start in a no-decision against the Mariners on Tuesday, surrendering just two runs on six hits over seven frames.
Mike Aviles delivered a go-ahead RBI single in the eighth inning on Tuesday, leading the Tigers to a 4-2 victory over the Mariners.
Warwick Saupold (groin) will begin a rehab assignment Thursday with Triple-A Toledo.