Fran O'Brien (American football)

Francis Joseph O'Brien (April 17, 1936 – October 21, 1999) was an American football offensive tackle in the National Football League who played for the Cleveland Browns (1959), the Washington Redskins (1960–66) and the Pittsburgh Steelers (1966–68). He played college football at Michigan State University and was drafted in the third round of the 1959 NFL Draft.