Yep, I totally agree. In fact, he probably can't apply to med school while he is in school and playing football. From what I recall of the process my college friends went through in applying to med school, there's an interview component which begins in the fall, i.e. during football season, when there won't be time for him to fly all over country for med school interviews. I highly doubt Hendrix applies to med school until after his football career is over.
Also, there are many excellent one-year master's programs, in things like anatomy and physiology, specifically designed for students who intend to apply to med school and are looking to boost their applications. If I were Hendrix, I would get my degree from ND and then transfer for my 5th year to a school that needs a QB and has a special master's in physiology or something like that. Then, after my football career was over and I had my master's, I'd find a job (hopefully in a field related to medicine but not necessarily ... I know people who waited tables while applying to med school) and go through the app process. My $0.02.