NFL Champions From 1920-1931 the NFL championship was determined by a team's won-loss percentage. In 1932, a playoff game was arranged following the season to determine the championship. 1920 - Akron Pros 1921 - Chicago Staleys 1922 - Canton Bulldogs 1923 - Canton Bulldogs 1924 - Cleveland Bulldogs 1925 - Chicago Cardinals 1926 - Frankford Yellow Jackets 1927 - New York Giants 1928 - Providence Steam Roller 1929 - Green Bay Packers 1930 - Green Bay Packers 1931 - Green Bay Packers 1932 - Chicago Bears The 1931 Green Bay Packers became the first team in NFL history ever to win three consecutive world championships. 1933 was the first year that the NFL played a championship game. 1933 - Chicago Bears 1934 - New York Giants 1935 - Detroit Lions 1936 - Green Bay Packers 1937 - Washington Redskins 1938 - New York Giants 1939 - Green Bay Packers 1940 - Chicago Bears 1941 - Chicago Bears 1942 - Washington Redskins 1943 - Chicago Bears 1944 - Green Bay Packers 1945 - Cleveland Rams 1946 - Chicago Bears 1947 - Chicago Cardinals 1948 - Philadelphia Eagles 1949 - Philadelphia Eagles 1950 - Cleveland Browns 1951 - Los Angeles Rams 1952 - Detroit Lions 1953 - Detroit Lions 1954 - Cleveland Browns 1955 - Cleveland Browns 1956 - New York Giants 1957 - Detroit Lions 1958 - Baltimore Colts 1959 - Baltimore Colts The Cleveland Browns captured back-to-back NFL titles in 1954 and 1955. The American Football League operated from 1960 through 1969. 1960 - Houston Oilers (AFL) 1960 - Philadelphia Eagles (NFL) 1961 - Houston Oilers (AFL) 1961 - Green Bay Packers (NFL) 1962 - Dallas Texans (AFL) 1962 - Green Bay Packers (NFL) 1963 - San Diego Chargers (AFL) 1963 - Chicago Bears (NFL) 1964 - Buffalo Bills (AFL) 1964 - Cleveland Browns (NFL) 1965 - Buffalo Bills (AFL) 1965 - Green Bay Packers (NFL) The AFL and NFL announced that the two leagues would merge in 1970. The Super Bowl started to determine the world champions. The game featured the champion of each league. 1966 - Kansas City Chiefs (AFL) 1966 - Green Bay Packers (NFL) Super Bowl Winner 1967 - Oakland Raiders (AFL) 1967 - Green Bay Packers (NFL) Super Bowl Winner 1968 - New York Jets (AFL) Super Bowl Winner 1968 - Baltimore Colts (NFL) 1969 - Kansas City Chiefs (AFL) Super Bowl Winner 1969 - Minnesota Vikings (NFL) Beginning in 1970, the AFL and NFL played as one league with two conferences, the American Football Conference and the National Football Conference. The two conference champions meet in the Super Bowl to determine the champion. 1970 - Baltimore Colts 1971 - Dallas Cowboys 1972 - Miami Dolphins 1973 - Miami Dolphins 1974 - Pittsburgh Steelers 1975 - Pittsburgh Steelers 1976 - Oakland Raiders 1977 - Dallas Cowboys 1978 - Pittsburgh Steelers 1979 - Pittsburgh Steelers 1980 - Oakland Raiders 1981 - San Francisco 49ers 1982 - Washington Redskins 1983 - Los Angeles Raiders 1984 - San Francisco 49ers 1985 - Chicago Bears 1986 - New York Giants 1987 - Washington Redskins 1988 - San Francisco 49ers 1989 - San Francisco 49ers 1990 - New York Giants 1991 - Washington Redskins 1992 - Dallas Cowboys 1993 - Dallas Cowboys 1994 - San Francisco 49ers 1995 - Dallas Cowboys 1996 - Green Bay Packers 1997 - Denver Broncos 1998 - Denver Broncos 1999 - St. Louis Rams 2000 - Baltimore Ravens 2001 - New England Patriots 2002 - Tampa Bay Bucs 2003 - New England Patriots 2004 - New England Patriots 2005 - Pittsburgh Steelers Infomation courtasy of the Pro Football Hall of Fame