President of the National Football Association from 1921 until 1939. He shaped what would become the NFL.
He was a sportswriter and a promoter in Columbus, Ohio, when he joined the consortium of players and owners that made up the National Football League, which was a loose confederacy of teams at the time.
His meeting with New York bookie Tim Mara convinced Mara to purchase the New York franchise team that would become in 1925 the Giants.
He was born in Columbus, Ohio, to Irish immigrants Michael and Margaret Carr.
He made a rule change that college players could not join the NFL until the end of their college eligibility after Red Grange announced his joining the Bears just days after his final game at the University of Illinois.