| Season | League | Champion | Runner-up | Decided by |
|---|---|---|---|---|
| 2025 | NFL | Seattle Seahawks | New England Patriots | championship game |
| 2024 | NFL | Philadelphia Eagles | Kansas City Chiefs | championship game |
| 2023 | NFL | Kansas City Chiefs | San Francisco 49ers | championship game |
| 2022 | NFL | Kansas City Chiefs | Philadelphia Eagles | championship game |
| 2021 | NFL | Los Angeles Rams | Cincinnati Bengals | championship game |
| 2020 | NFL | Tampa Bay Buccaneers | Kansas City Chiefs | championship game |
| 2019 | NFL | Kansas City Chiefs | San Francisco 49ers | championship game |
| 2018 | NFL | New England Patriots | Los Angeles Rams | championship game |
| 2017 | NFL | Philadelphia Eagles | New England Patriots | championship game |
| 2016 | NFL | New England Patriots | Atlanta Falcons | championship game |
| 2015 | NFL | Denver Broncos | Carolina Panthers | championship game |
| 2014 | NFL | New England Patriots | Seattle Seahawks | championship game |
| 2013 | NFL | Seattle Seahawks | Denver Broncos | championship game |
| 2012 | NFL | Baltimore Ravens | San Francisco 49ers | championship game |
| 2011 | NFL | New York Giants | New England Patriots | championship game |
| 2010 | NFL | Green Bay Packers | Pittsburgh Steelers | championship game |
| 2009 | NFL | New Orleans Saints | Indianapolis Colts | championship game |
| 2008 | NFL | Pittsburgh Steelers | Arizona Cardinals | championship game |
| 2007 | NFL | New York Giants | New England Patriots | championship game |
| 2006 | NFL | Indianapolis Colts | Chicago Bears | championship game |
| 2005 | NFL | Pittsburgh Steelers | Seattle Seahawks | championship game |
| 2004 | NFL | New England Patriots | Philadelphia Eagles | championship game |
| 2003 | NFL | New England Patriots | Carolina Panthers | championship game |
| 2002 | NFL | Tampa Bay Buccaneers | Oakland Raiders | championship game |
| 2001 | NFL | New England Patriots | St. Louis Rams | championship game |
| 2000 | NFL | Baltimore Ravens | New York Giants | championship game |
| 1999 | NFL | St. Louis Rams | Tennessee Titans | championship game |
| 1998 | NFL | Denver Broncos | Atlanta Falcons | championship game |
| 1997 | NFL | Denver Broncos | Green Bay Packers | championship game |
| 1996 | NFL | Green Bay Packers | New England Patriots | championship game |
| 1995 | NFL | Dallas Cowboys | Pittsburgh Steelers | championship game |
| 1994 | NFL | San Francisco 49ers | San Diego Chargers | championship game |
| 1993 | NFL | Dallas Cowboys | Buffalo Bills | championship game |
| 1992 | NFL | Dallas Cowboys | Buffalo Bills | championship game |
| 1991 | NFL | Washington Redskins | Buffalo Bills | championship game |
| 1990 | NFL | New York Giants | Buffalo Bills | championship game |
| 1989 | NFL | San Francisco 49ers | Denver Broncos | championship game |
| 1988 | NFL | San Francisco 49ers | Cincinnati Bengals | championship game |
| 1987 | NFL | Washington Redskins | Denver Broncos | championship game |
| 1986 | NFL | New York Giants | Denver Broncos | championship game |
| 1985 | NFL | Chicago Bears | New England Patriots | championship game |
| 1984 | NFL | San Francisco 49ers | Miami Dolphins | championship game |
| 1983 | NFL | Los Angeles Raiders | Washington Redskins | championship game |
| 1982 | NFL | Washington Redskins | Miami Dolphins | championship game |
| 1981 | NFL | San Francisco 49ers | Cincinnati Bengals | championship game |
| 1980 | NFL | Oakland Raiders | Philadelphia Eagles | championship game |
| 1979 | NFL | Pittsburgh Steelers | Los Angeles Rams | championship game |
| 1978 | NFL | Pittsburgh Steelers | Dallas Cowboys | championship game |
| 1977 | NFL | Dallas Cowboys | Denver Broncos | championship game |
| 1976 | NFL | Oakland Raiders | Minnesota Vikings | championship game |
| 1975 | NFL | Pittsburgh Steelers | Dallas Cowboys | championship game |
| 1974 | NFL | Pittsburgh Steelers | Minnesota Vikings | championship game |
| 1973 | NFL | Miami Dolphins | Minnesota Vikings | championship game |
| 1972 | NFL | Miami Dolphins | Washington Redskins | championship game |
| 1971 | NFL | Dallas Cowboys | Miami Dolphins | championship game |
| 1970 | NFL | Baltimore Colts | Dallas Cowboys | championship game |
| 1969 | AFL | Kansas City Chiefs | Oakland Raiders | championship game |
| 1969 | AFL-NFL | Kansas City Chiefs | Minnesota Vikings | championship game |
| 1969 | NFL | Minnesota Vikings | Cleveland Browns | championship game |
| 1968 | AFL | New York Jets | Oakland Raiders | championship game |
| 1968 | AFL-NFL | New York Jets | Baltimore Colts | championship game |
| 1968 | NFL | Baltimore Colts | Cleveland Browns | championship game |
| 1967 | AFL | Oakland Raiders | Houston Oilers | championship game |
| 1967 | AFL-NFL | Green Bay Packers | Oakland Raiders | championship game |
| 1967 | NFL | Green Bay Packers | Dallas Cowboys | championship game |
| 1966 | AFL | Kansas City Chiefs | Buffalo Bills | championship game |
| 1966 | AFL-NFL | Green Bay Packers | Kansas City Chiefs | championship game |
| 1966 | NFL | Green Bay Packers | Dallas Cowboys | championship game |
| 1965 | AFL | Buffalo Bills | San Diego Chargers | championship game |
| 1965 | NFL | Green Bay Packers | Cleveland Browns | championship game |
| 1964 | AFL | Buffalo Bills | San Diego Chargers | championship game |
| 1964 | NFL | Cleveland Browns | Baltimore Colts | championship game |
| 1963 | AFL | San Diego Chargers | Boston Patriots | championship game |
| 1963 | NFL | Chicago Bears | New York Giants | championship game |
| 1962 | AFL | Dallas Texans | Houston Oilers | championship game |
| 1962 | NFL | Green Bay Packers | New York Giants | championship game |
| 1961 | AFL | Houston Oilers | San Diego Chargers | championship game |
| 1961 | NFL | Green Bay Packers | New York Giants | championship game |
| 1960 | AFL | Houston Oilers | Los Angeles Chargers | championship game |
| 1960 | NFL | Philadelphia Eagles | Green Bay Packers | championship game |
| 1959 | NFL | Baltimore Colts | New York Giants | championship game |
| 1958 | NFL | Baltimore Colts | New York Giants | championship game |
| 1957 | NFL | Detroit Lions | Cleveland Browns | championship game |
| 1956 | NFL | New York Giants | Chicago Bears | championship game |
| 1955 | NFL | Cleveland Browns | Los Angeles Rams | championship game |
| 1954 | NFL | Cleveland Browns | Detroit Lions | championship game |
| 1953 | NFL | Detroit Lions | Cleveland Browns | championship game |
| 1952 | NFL | Detroit Lions | Cleveland Browns | championship game |
| 1951 | NFL | Los Angeles Rams | Cleveland Browns | championship game |
| 1950 | NFL | Cleveland Browns | Los Angeles Rams | championship game |
| 1949 | AAFC | Cleveland Browns | San Francisco 49ers | championship game |
| 1949 | NFL | Philadelphia Eagles | Los Angeles Rams | championship game |
| 1948 | AAFC | Cleveland Browns | Buffalo Bills | championship game |
| 1948 | NFL | Philadelphia Eagles | Chicago Cardinals | championship game |
| 1947 | AAFC | Cleveland Browns | New York Yankees | championship game |
| 1947 | NFL | Chicago Cardinals | Philadelphia Eagles | championship game |
| 1946 | AAFC | Cleveland Browns | New York Yankees | championship game |
| 1946 | NFL | Chicago Bears | New York Giants | championship game |
| 1945 | NFL | Cleveland Rams | Washington Redskins | championship game |
| 1944 | NFL | Green Bay Packers | New York Giants | championship game |
| 1943 | NFL | Chicago Bears | Washington Redskins | championship game |
| 1942 | NFL | Washington Redskins | Chicago Bears | championship game |
| 1941 | NFL | Chicago Bears | New York Giants | championship game |
| 1940 | NFL | Chicago Bears | Washington Redskins | championship game |
| 1939 | NFL | Green Bay Packers | New York Giants | championship game |
| 1938 | NFL | New York Giants | Green Bay Packers | championship game |
| 1937 | NFL | Washington Redskins | Chicago Bears | championship game |
| 1936 | NFL | Green Bay Packers | Boston Redskins | championship game |
| 1935 | NFL | Detroit Lions | New York Giants | championship game |
| 1934 | NFL | New York Giants | Chicago Bears | championship game |
| 1933 | NFL | Chicago Bears | New York Giants | championship game |
| 1932 | NFL | Chicago Bears | Portsmouth Spartans | tie-break game |
| 1931 | NFL | Green Bay Packers | — | final standings |
| 1930 | NFL | Green Bay Packers | — | final standings |
| 1929 | NFL | Green Bay Packers | — | final standings |
| 1928 | NFL | Providence Steam Roller | — | final standings |
| 1927 | NFL | New York Giants | — | final standings |
| 1926 | NFL | Frankford Yellow Jackets | — | final standings |
| 1925 | NFL | Chicago Cardinals | — | final standings |
| 1924 | NFL | Cleveland Bulldogs | — | final standings |
| 1923 | NFL | Canton Bulldogs | — | final standings |
| 1922 | NFL | Canton Bulldogs | — | final standings |
| 1921 | APFA | Chicago Staleys | — | final standings |
| 1920 | APFA | Akron Pros | — | final standings |
A title taken on the final standings has no runner-up, because no game was played for it.