O. J. Simpson was a running back for the Miami Dolphins.
Orenthal James `` O. J. '' Simpson ( born July 9 , 1947 ) , nicknamed The Juice , is a former American football running back , broadcaster , actor , and convicted armed robber and kidnapper . He played professionally in the National Football League ( NFL ) as a running back for 11 seasons , with the Buffalo Bills from 1969 to 1977 and with the San Francisco 49ers from 1978 to 1979 .