Football-Dan Marino(only because he was on the Bills chief rival for so many years, I like him more now that he has retired

Basketball-Robert Horry(the guy always seems to make huge shots for teams I am rooting against heavily)
Baseball-Dave Stewart
College Basketball-John Thompson while coaching Georgetown.
College Football-Pat Dye for going for that damn tie against SU.
Boxing-Mike Tyson
Note: Most of these guys I would have loved to have playing or coaching on my teams(except Dye)