College football reference has a ratings system combining pythagorean record and strength of schedule. Works for me. Here is the history of USC football.
- 1972 30.33 Won National Title, Won Rose Bowl Rae, Cunningham, ADavis, Swann, Young,
- 1931 28.05 Won Rose Bowl, Shaver
- 1932 26.25 Won Rose Bowl, Griffith, Brown
- 2004 26.06 Won National Title, Won Orange Bowl Leinart, White, Bush, Byrd, Smith, Jarrett, Tatupu, Bing
- 1978 25.51 Won National Title, Won Rose Bowl McDonald, White, Cain, Allen, Budde, Van Horne, Munoz, Banks, Lott, Smith
- 2005 24.57 Lost Rose Bowl Leinart, Bush, White, Smith, Jarrett, Byrd, Bing, Maualuga, Rivers, Rucker
- 2002 24.19 Won Orange Bowl Palmer, Fargas, Colbert, Williams, Polamalu
- 1952 24.06 Won Rose Bowl Bozanic, Goux
- 1979 23.95 Won Rose Bowl McDonald, White, Allen, Budde, Van Horne, Banks, Lott, Smith, Browner
- 1962 23.29 Won National Title, Won Rose Bowl Beathard
- 2003 23.14 Won National Title, Won Rose Bowl, Leinart, White, Bush, Colbert, Williams, Byrd, Tatupu, Bing, Rucker, Patterson,
- 2008 22.24 Won Rose Bowl Sanchez, McKnight, Havili, Maualuga, Cushing,
- 1988 22.2 Lost Rose Bowl Peete, Seau, Carrier
- 1969 21.93 Won Rose Bowl, Jones, Davis, Chandler,
- 1982 21.05 Salisbury, Matthews, Mosebar, Bickett, Del Rio, Browner
- 1976 21.01 Won Rose Bowl Evans, Bell, White, Budde, Powell, Martin, Matthews, Thurman
- 1974 20.9 Won Rose Bowl Haden, Bell, Davis, Powell, Matthews
- 1947 20.68 Lost Rose Bowl Salata
- 1965 20.65 Winslow, Garrett, Yary,
- 1929 20.48 Won Rose Bowl Shaver
- 1949 20.47 Gifford
- 2006 20.36 Won Rose Bowl Booty, Gable, Jarrett, Smith, Davis, Havili, Mays, Maualuga, Cushing
- 1967 20.33 Won Rose Bowl Sogge, Simpson, Yary,
- 1933 19.91
- 1930 19.89
- 1980 19.82 Adams, Allen, Foster, Matthews, Mosebar, Van Horne, Browner, Banks, Lott, Smith
- 1973 19.64 Lost Rose Bowl Haden, Davis, Swann,
- 1970 19.6 Jones, Cunningham, Davis, Chandler, Young,
- 1938 18.35 Won Rose Bowl
- 1989 18.32 Won Rose Bowl Marinovich, Seau, Carrier,
- 2007 18.1 Won Rose Bowl Booty, Havili, Johnson, Davis, Maualuga, Mays,
- 1964 17.84 Fertig, Garrett
- 1955 17.38 Arnett
- 2016 17.27 Won Rose Bowl, Darnold, Smith-Schuster, Jones, Jackson, Smith
- 1939 17 Won Rose Bowl
- 1977 16.95 Won Bluebonnet Bowl Hertel, White, Tatupu, Budde, Munoz, Matthews, Thurman, Lott
- 1971 16.63 Jones, Cunningham, Swann, Young,
- 1968 16.62 Lost Rose Bowl Sogge, Simpson, Chandler,
- 1928 16.49
- 1926 16.38
- 1963 15.77 Beathard, Garrett,
- 1927 15.68
- 1966 15.54 Lost Rose Bowl Winslow, Yary,
- 1948 15.38
- 1981 15.17 Lost Fiesta Bowl Mazur, Allen, Foster, Matthews, Mosebar, Banks, Del Rio, Browner
- 1959 14.86 Prukop, Mix
- 2011 14.83 Barkley, Tyler, Woods, Kalil, Farmer, McDonald
- 1956 14.67 Arnett
- 2013 14.17 Won Las Vegas Bowl Kessler, Lee, Allen, Agholor
- 1951 14.11
- 1975 13.49 Won Liberty Bowl Evans, Bell, Powell, Martin, Matthews, Thurman
- 1936 13.25
- 1954 13.22 Lost Rose Bowl Arnett
- 1987 12.96 Peete, Carrier
- 1925 12.85
- 1993 12.76 Won Freedom Bowl Johnson, Morton, Boselli, McGinest, Sehorn, Knight
- 1998 12.73 Lost Sun Bowl Fox, Morton, Soward, Claiborne,
- 2017 12.53 Lost Cotton Bowl: Darnold, Jones, Smith, Marshall, Gustin
- 1986 12.45 Lost Citrus Bowl Peete, Bregel, McDonald
- 1994 12.41 Won Cotton Bowl Johnson, Johnson, Boselli, Russell, Kelly, Knight
- 2015 11.65 Lost Holiday Bowl. Kessler, Davis, Jones, Smith-Schuster, Cravens,
- 1995 11.47 Won Rose Bowl Wachholtz, Johnson, Russell, Kelly, Knight,
- 1990 11.42 Lost Sun Bowl Marinovich, Ervins, Morton, Deese, Harlow,
- 1924 11.32 Won LA Christmas Festival
- 1953 11.05 Bozanic
- 1992 10.94 Lost Freedom Bowl Johnson, Conway, Morton, Boselli, McGinest, Sehorn
- 2012 10.62 Lost Sun Bowl Barkley, Lee, Woods, Redd, McDonald
- 1997 10.22 Fox, Soward, Claiborne, Kelly,
- 1944 10.17 Won Rose Bowl
- 1922 10.08 Won Rose Bowl
- 1923 9.96
- 2010 9.7 Barkley, Tyler, Havili, McDonald, Galippo,
- 1984 9.39 Won Rose Bowl Green Bregel, Ruettgers, Bickett, Del Rio, McDonald
- 2019 9.32 Lost Holiday Bowl: Slovis, Pittman, St Brown, Vaughns, Jackson, Rector, Tufele
- 2009 9.11 Won Emerald Bowl Barkley, McKnight, Havili, Mays,
- 1946 9.11
- 2001 8.91 Lost Las Vegas Bowl Palmer, Colbert, Cody, Polamalu
- 1996 8.23 Otton, Russell, Kelly
- 1941 7.78
- 1940 7.69
- 1937 7.64
- 1942 7.41
- 1985 6.62 Lost Aloha Bowl Salisbury, Bregel, McDonald
- 1958 5.74 Wood, Mix
- 1991 5.27 Perry, Morton, Conway, Boselli, Deese, McGinest,
- 1935 4.79
- 1999 4.62 Palmer, Soward, Polamalu
- 2000 4.37 Palmer, Colbert, Polamalu
- 1934 3.24
- 1943 2.83 Won Rose Bowl
- 2018 2.76 Daniels, Ware, Brown, Smith, Tell, Marshall
- 1960 2.64 Prukop,
- 1950 2.06
- 1983 2.04 Salisbury, Ruettgers, Bickett, Del Rio,
- 1961 1.41 Nelsen
- 1945 -1.28 Lost Rose Bowl
- 1957 -3.07 Wood, Mix