Vierling (back) began workouts at Triple-A Toledo on Thursday, Jason Beck of MLB.com reports.

EDGE Analysis

That would indicate that Vierling might be cleared to play in minor-league rehab games this weekend and could perhaps return to the Tigers' active roster early next week. The 26-year-old outfielder has been on the 10-day injured list since May 30 due to lower back soreness.