longest run by rb in nfl history
Tony Dorsett Has the Longest Run in NFL History. Tony Dorsett, the Dallas Cowboysâ running back of the late 1970s and 1980s, is the only back in the history of the NFL to have a 99-yard run to his credit. Thatâs the longest rush the game has seen, or ever will. âThis is because NFL rules call for the game to be played on a field 100 yards long.