There are a lot of assumptions going on, the assumption that nobody in the locker room will care is far fetched at best. Chances are not only will one care, but many will. The NFL is a reflection of society, that being said there is a fairly substantial part of society that would not/is not okay working with a gay coworker. It's not as if he's the best DL entering the draft this year, he's not even top 10, so when it comes time to draft, if there is a close choice on players you can bank that Sam will be the one not chosen. Regardless of your personal views it will come with headaches and way too much media coverage.