Just saw this come across Coach Cal's Facebook feed:

Our medical staff took Terrence to an imaging center in Detroit for an MRI this morning. He has been diagnosed with a stress fracture of the rib which has affected the motion in his left arm. We hope to have him back in mid-September when we begin individual workouts

I hate that he won't be able to take full advantage of the learning opportunity that this Canada trip affords the team.  On the flip side though, at least he'll be able to rest and should be ready before the season.

(Even as a medical professional though... I gotta wonder how he ended up with a stress fracture in the rib of all places.  Has he been breathing to hard?!!?  Kind of unusual spot for this type of injury.)