Repeat winners of The Associated Press college football poll's top ranking:
Minnesota 1940 (8-0); 1941 (8-0)
Army 1944 (9-0); 1945 (9-0)
Notre Dame 1946 (8-0-1); 1947 (9-0)
Oklahoma 1955 (10-0); 1956 (10-0)
Alabama 1964 (10-0); 1965 (9-1-1)
Nebraska 1970 (11-0-1); 1971 (13-0)
Oklahoma 1974 (11-0); 1975 (11-1)
Alabama 1978 (11-1); 1979 (12-0)
Nebraska 1994 (13-0); 1995 (12-0)
Southern Cal 2003 (12-1); 2004 (13-0)
Alabama 2011 (12-1); 2012 (13-1)