Zebby Matthews Injury: Beginning assignment Sunday

Matthews (shoulder) will begin a rehab assignment at Triple-A St. Paul on Sunday, Aaron Gleeman of The Athletic reports.

Matthews has been on the shelf since June 8 while recovering from a right shoulder strain, but after checking out fine after live hitters for Tuesday, he's been given the green light to pitch in the minors. Because the 25-year-old has been out for over a month, he'll likely require at least a couple of rehab starts before making his return from the 15-day injured list.