Some believe that to prevent injury, you must first predict them. o on Sunday, on 16 April 1967, professional soccer took its first bold steps in the US as the National Professional Soccer League made its debut. Pittsburgh SteelersDan Rooney: much-loved Steelers scion who left a lasting mark on the NFLOver five. 38?BSTDan Rooney, the powerful and popular Pittsburgh Steelers chairman whose name is attached to the NFL’s landmark initiative in minority hiring, died Thursday.