Very few athletic powerhouses do not have special athlete-only housing. That along with the fact there are no special Jock-only classes really means that the athletes really are integrated into the student body.
I think all of us had friends that were football players.
For example, Freshman year, George Williams invited me down to a BAND* mixer one day. I was the only white male there. I still had a pretty good time.
* BAND was a student organization which stood for "Blacks at Notre Dame" and I have no idea why I still remember that