My father (who does not follow sports, esp. sports he never heard of growing up like american football) came to visit me in my dorm, but didn't know where my room was. One of the guys in the dorm approached him, and learning that he was looking for me, showed my father where my room was. I don't think my dad even understood what I meant when I pointed out to him later that ND's starting quarterback had shown him where my room was. ("oh is that a hard position to play at? He seemed very intelligent")
Overall, the players are fully integrated into the student body. However, with the workloads they have, only a few have time to "hang out" on a regular basis, and so many often stick with a few close friends.