Steve - as far as I know, Rob's already been granted the redshirt, so he already has a 5th year of basketball eligibility, meaning he has another year of basketball eligibility after this one, to answer that question.
But ball scholarships are at the behest of the basketball coach; if they can wiggle a way for him to study academically, and he and the team are agreed about his playing, then I'm not sure.
Of course, this is just idle speculation; Rob, even as he has been, has given the team excellent minutes.