| 1920-talet:
|
| #
|
år
|
period
|
ligans namn
|
antal lag
|
mästare
|
| ett
|
1920
|
20 augusti - 19 december 1920
|
American Professional Football Association
|
fjorton
|
Akron-proffs
|
| 2
|
1921
|
25 september - 18 december 1921
|
American Professional Football Association
|
21
|
Chicago stilar
|
| 3
|
1922
|
1 oktober - 10 december 1922
|
National Football League
|
arton
|
Kanton bulldoggar
|
| fyra
|
1923
|
30 september - 16 december 1923
|
National Football League
|
tjugo
|
Kanton bulldoggar
|
| 5
|
1924
|
24 september - 30 november 1924
|
National Football League
|
arton
|
Cleveland Bulldogs
|
| 6
|
1925
|
20 september - 20 december 1925
|
National Football League
|
tjugo
|
Chicago Cardinals
|
| 7
|
1926
|
19 september - 19 december 1926
|
National Football League
|
22
|
Frankford gula jackor
|
| åtta
|
1927
|
19 september - 19 december 1927
|
National Football League
|
12
|
New York Giants
|
| 9
|
1928
|
23 september - 16 december 1928
|
National Football League
|
tio
|
Providence Steam Roller
|
| tio
|
1929
|
22 september - 15 december 1929
|
National Football League
|
12
|
Green Bay Packers
|
| 1930-talet:
|
| #
|
år
|
period
|
ligans namn
|
antal lag
|
mästare
|
| elva
|
1930
|
14 september - 14 december 1930
|
National Football League
|
elva
|
Green Bay Packers
|
| 12
|
1931
|
13 september - 13 december 1931
|
National Football League
|
tio
|
Green Bay Packers
|
| 13
|
1932
|
18 september - 11 december 1932
|
National Football League
|
åtta
|
Chicago Bears
|
| fjorton
|
1933
|
17 september - 10 december 1933
|
National Football League
|
tio
|
Chicago Bears
|
| femton
|
1934
|
9 september - 9 december 1934
|
National Football League
|
elva
|
New York Giants
|
| 16
|
1935
|
13 september - 15 december 1935
|
National Football League
|
9
|
Detroit Lions
|
| 17
|
1936
|
13 september - 13 december 1936
|
National Football League
|
9
|
Green Bay Packers
|
| arton
|
1937
|
5 september - 12 december 1937
|
National Football League
|
tio
|
Washington Redskins
|
| 19
|
1938
|
9 september - 11 december 1938
|
National Football League
|
tio
|
New York Giants
|
| tjugo
|
1939
|
10 september - 10 december 1939
|
National Football League
|
tio
|
Green Bay Packers
|
| 1940-talet:
|
| #
|
år
|
period
|
ligans namn
|
antal lag
|
mästare
|
| 21
|
1940
|
8 september - 8 december 1940
|
National Football League
|
tio
|
Chicago Bears
|
| 22
|
1941
|
7 september - 7 december 1941
|
National Football League
|
tio
|
Chicago Bears
|
| 23
|
1942
|
13 september - 13 december 1942
|
National Football League
|
tio
|
Washington Redskins
|
| 24
|
1943
|
19 september - 19 december 1943
|
National Football League
|
åtta
|
Chicago Bears
|
| 25
|
1944
|
17 september - 17 december 1944
|
National Football League
|
tio
|
Green Bay Packers
|
| 26
|
1945
|
23 september - 9 december 1945
|
National Football League
|
tio
|
Cleveland Rams
|
| 27
|
1946
|
20 september - 8 december 1946
|
National Football League
|
tio
|
Chicago Bears
|
| 28
|
1947
|
21 september - 14 december 1947
|
National Football League
|
tio
|
Chicago Cardinals
|
| 29
|
1948
|
17 september - 12 december 1948
|
National Football League
|
tio
|
Philadelphia Eagles
|
| trettio
|
1949
|
22 september - 11 december 1949
|
National Football League
|
tio
|
Philadelphia Eagles
|
| 1950-talet:
|
| #
|
år
|
period
|
ligans namn
|
antal lag
|
mästare
|
| 31
|
1950
|
16 september - 10 december 1950
|
National Football League
|
13
|
Cleveland Browns
|
| 32
|
1951
|
28 september - 16 december 1951
|
National Football League
|
12
|
Los Angeles Rams
|
| 33
|
1952
|
28 september - 14 december 1952
|
National Football League
|
12
|
Detroit Lions
|
| 34
|
1953
|
27 september - 13 december 1953
|
National Football League
|
12
|
Detroit Lions
|
| 35
|
1954
|
26 september - 19 december 1954
|
National Football League
|
12
|
Cleveland Browns
|
| 36
|
1955
|
24 september - 11 december 1955
|
National Football League
|
12
|
Cleveland Browns
|
| 37
|
1956
|
30 september - 23 december 1956
|
National Football League
|
12
|
New York Giants
|
| 38
|
1957
|
29 september - 22 december 1957
|
National Football League
|
12
|
Detroit Lions
|
| 39
|
1958
|
28 september - 14 december 1958
|
National Football League
|
12
|
Baltimore Colts
|
| 40
|
1959
|
26 september - 13 december 1959
|
National Football League
|
12
|
Baltimore Colts
|
| 1960-talet:
|
| #
|
år
|
period
|
ligans namn
|
antal lag
|
mästare
|
| 41
|
1960
|
23 september - 18 december 1960
|
National Football League
|
13
|
Philadelphia Eagles
|
| ett
|
1960
|
9 september 1960 - 1 januari 1961
|
American Football League
|
åtta
|
Houston Oilers
|
| 42
|
1961
|
17 september - 17 december 1961
|
National Football League
|
fjorton
|
Green Bay Packers
|
| 2
|
1961
|
9 september - 24 december 1961
|
American Football League
|
åtta
|
Houston Oilers
|
| 43
|
1962
|
16 september - 26 december 1962
|
National Football League
|
fjorton
|
Green Bay Packers
|
| 3
|
1962
|
7 september - 23 december 1962
|
American Football League
|
åtta
|
Dallas Texas
|
| 44
|
1963
|
15 september - 29 december 1963
|
National Football League
|
fjorton
|
Chicago Bears
|
| fyra
|
1963
|
7 september 1963 - 5 januari 1964
|
American Football League
|
åtta
|
San Diego laddare
|
| 45
|
1964
|
12 september - 13 december 1964
|
National Football League
|
fjorton
|
Cleveland Browns
|
| 5
|
1964
|
12 september - 26 december 1964
|
American Football League
|
åtta
|
Buffalo Bills
|
| 46
|
1965
|
19 september - 14 december 1965
|
National Football League
|
fjorton
|
Green Bay Packers
|
| 6
|
1965
|
11 september - 26 december 1965
|
American Football League
|
åtta
|
Buffalo Bills
|
Super skål
|
| 47
|
1966
|
10 september 1966 - 1 januari 1967
|
National Football League
|
femton
|
Green Bay Packers
|
Super Bowl I
|
| 7
|
1966
|
2 september 1966 - 1 januari 1967
|
American Football League
|
9
|
Kansas City Chiefs
|
| 48
|
1967
|
17 september - 31 december 1967
|
National Football League
|
16
|
Green Bay Packers
|
Super Bowl II
|
| åtta
|
1967
|
3 september - 31 december 1967
|
American Football League
|
9
|
Oakland Raiders
|
| 49
|
1968
|
14 september - 29 december 1968
|
National Football League
|
16
|
Baltimore Colts
|
Super Bowl III
|
| 9
|
1968
|
6 september - 29 december 1968
|
American Football League
|
tio
|
New York Jets
|
| femtio
|
1969
|
21 september 1969 - 4 januari 1970
|
National Football League
|
16
|
Minnesota Vikings
|
Super Bowl IV
|
| tio
|
1969
|
14 september - 20 december 1969
|
American Football League
|
tio
|
Kansas City Chiefs
|
| 1970-talet:
|
| #
|
år
|
period
|
ligans namn
|
antal lag
|
mästare
|
Super skål
|
| 51
|
1970
|
18 september 1970 - 17 januari 1971
|
National Football League
|
25
|
Baltimore Colts
|
Super Bowl V
|
| 52
|
1971
|
19 september 1971 - 16 januari 1972
|
National Football League
|
25
|
Dallas Cowboys
|
Super Bowl VI
|
| 53
|
1972
|
17 september 1972 - 14 januari 1973
|
National Football League
|
26
|
Miami Dolphins
|
Super Bowl VII
|
| 54
|
1973
|
16 september 1973 - 13 januari 1974
|
National Football League
|
26
|
Miami Dolphins
|
Super Bowl VIII
|
| 55
|
1974
|
15 september 1974 - 12 januari 1975
|
National Football League
|
26
|
Pittsburgh Steelers
|
Super Bowl IX
|
| 56
|
1975
|
21 september 1975 - 18 januari 1976
|
National Football League
|
26
|
Pittsburgh Steelers
|
Super Bowl X
|
| 57
|
1976
|
12 september 1976 - 9 januari 1977
|
National Football League
|
28
|
Oakland Raiders
|
Super Bowl XI
|
| 58
|
1977
|
18 september 1977 - 15 januari 1978
|
National Football League
|
28
|
Dallas Cowboys
|
Super Bowl XII
|
| 59
|
1978
|
2 september 1978 - 21 januari 1979
|
National Football League
|
28
|
Pittsburgh Steelers
|
Super Bowl XIII
|
| 60
|
1979
|
1 september 1979 - 20 januari 1980
|
National Football League
|
28
|
Pittsburgh Steelers
|
Super Bowl XIV
|
| 1980-talet:
|
| #
|
år
|
period
|
ligans namn
|
antal lag
|
mästare
|
Super skål
|
| 61
|
1980
|
7 september 1980 - 25 januari 1981
|
National Football League
|
28
|
Oakland Raiders
|
Super Bowl XV
|
| 62
|
1981
|
6 september 1981 - 24 januari 1982
|
National Football League
|
28
|
San Francisco 49ers
|
Super Bowl XVI
|
| 63
|
1982
|
12 september 1982 - 30 januari 1983
|
National Football League
|
28
|
Washington Redskins
|
Super Bowl XVII
|
| 64
|
1983
|
3 september 1983 - 19 januari 1984
|
National Football League
|
28
|
Los Angeles Raiders
|
Super Bowl XVIII
|
| 65
|
1984
|
2 september 1984 - 20 januari 1985
|
National Football League
|
28
|
San Francisco 49ers
|
Super Bowl XIX
|
| 66
|
1985
|
8 september 1985 - 26 januari 1986
|
National Football League
|
28
|
Chicago Bears
|
Super Bowl XX
|
| 67
|
1986
|
7 september 1986 - 25 januari 1987
|
National Football League
|
28
|
New York Giants
|
Super Bowl XXI
|
| 68
|
1987
|
13 september 1987 - 31 januari 1988
|
National Football League
|
28
|
Washington Redskins
|
Super Bowl XXII
|
| 69
|
1988
|
4 september 1988 - 22 januari 1989
|
National Football League
|
28
|
San Francisco 49ers
|
Super Bowl XXIII
|
| 70
|
1989
|
10 september 1989 - 28 januari 1990
|
National Football League
|
28
|
San Francisco 49ers
|
Super Bowl XXIV
|
| 1990-talet:
|
| #
|
år
|
period
|
ligans namn
|
antal lag
|
mästare
|
Super skål
|
| 71
|
1990
|
9 september 1990 - 27 januari 1991
|
National Football League
|
28
|
New York Giants
|
Super Bowl XXV
|
| 72
|
1991
|
1 september 1991 - 26 januari 1992
|
National Football League
|
28
|
Washington Redskins
|
Super Bowl XXVI
|
| 73
|
1992
|
6 september 1992 - 31 januari 1993
|
National Football League
|
28
|
Dallas Cowboys
|
Super Bowl XXVII
|
| 74
|
1993
|
5 september 1993 - 30 januari 1994
|
National Football League
|
28
|
Dallas Cowboys
|
Super Bowl XXVIII
|
| 75
|
1994
|
4 september 1994 - 29 januari 1995
|
National Football League
|
28
|
San Francisco 49ers
|
Super Bowl XXIX
|
| 76
|
1995
|
3 september 1995 - 28 januari 1996
|
National Football League
|
trettio
|
Dallas Cowboys
|
Super Bowl XXX
|
| 77
|
1996
|
1 september 1996 - 26 januari 1997
|
National Football League
|
trettio
|
Green Bay Packers
|
Super Bowl XXXI
|
| 78
|
1997
|
31 augusti 1997 - 25 januari 1998
|
National Football League
|
trettio
|
Denver Broncos
|
Super Bowl XXXII
|
| 79
|
1998
|
6 september 1998 - 31 januari 1999
|
National Football League
|
trettio
|
Denver Broncos
|
Super Bowl XXXIII
|
| 80
|
1999
|
12 september 1999 - 30 januari 2000
|
National Football League
|
31
|
St Louis Rams
|
Super Bowl XXXIV
|
| 2000-talet:
|
| #
|
år
|
period
|
ligans namn
|
antal lag
|
mästare
|
Super skål
|
| 81
|
2000
|
3 september 2000 - 28 januari 2001
|
National Football League
|
31
|
Baltimore Ravens
|
Super Bowl XXXV
|
| 82
|
2001
|
9 september 2001 - 3 februari 2002
|
National Football League
|
31
|
New England Patriots
|
Super Bowl XXXVI
|
| 83
|
2002
|
6 september 2002 - 26 januari 2003
|
National Football League
|
32
|
Tampa Bay Buccaneers
|
Super Bowl XXXVII
|
| 84
|
2003
|
4 september 2003 - 1 februari 2004
|
National Football League
|
32
|
New England Patriots
|
Super Bowl XXXVIII
|
| 85
|
2004
|
9 september 2004 - 6 februari 2005
|
National Football League
|
32
|
New England Patriots
|
Super Bowl XXXIX
|
| 86
|
2005
|
8 september 2005 - 5 februari 2006
|
National Football League
|
32
|
Pittsburgh Steelers
|
Super Bowl XL
|
| 87
|
2006
|
7 september 2006 - 4 februari 2007
|
National Football League
|
32
|
Indianapolis Colts
|
Super Bowl XLI
|
| 88
|
2007
|
6 september 2007 - 3 februari 2008
|
National Football League
|
32
|
New York Giants
|
Super Bowl XLII
|
| 89
|
2008
|
4 september 2008 - 1 februari 2009
|
National Football League
|
32
|
Pittsburgh Steelers
|
Super Bowl XLIII
|
| 90
|
2009
|
10 september 2009 - 7 februari 2010
|
National Football League
|
32
|
New Orleans Saints
|
Super Bowl XLIV
|
| 2010-talet:
|
| #
|
år
|
period
|
ligans namn
|
antal lag
|
mästare
|
Super skål
|
| 91
|
2010
|
9 september 2010 - 6 februari 2011
|
National Football League
|
32
|
Green Bay Packers
|
Super Bowl XLV
|
| 92
|
2011
|
8 september 2011 - 5 februari 2012
|
National Football League
|
32
|
New York Giants
|
Super Bowl XLVI
|
| 93
|
2012
|
5 september 2012 - 3 februari 2013
|
National Football League
|
32
|
Baltimore Ravens
|
Super Bowl XLVII
|
| 94
|
2013
|
5 september 2013 - 2 februari 2014
|
National Football League
|
32
|
Seattle Seahawks
|
Super Bowl XLVIII
|
| 95
|
2014
|
4 september 2014 - 1 februari 2015
|
National Football League
|
32
|
New England Patriots
|
Super Bowl XLIX
|
| 96
|
2015
|
10 september 2015 - 7 februari 2016
|
National Football League
|
32
|
Denver Broncos
|
Super Bowl 50
|
| 97
|
2016
|
8 september 2016 – 5 februari 2017
|
National Football League
|
32
|
New England Patriots
|
Super Bowl LI
|
| 98
|
2017
|
7 september 2017 – 4 februari 2018
|
National Football League
|
32
|
Philadelphia Eagles
|
Super Bowl II
|
| 99
|
2018
|
6 september 2018 – 3 februari 2019
|
National Football League
|
32
|
New England Patriots
|
Super Bowl III
|
| 100
|
2019
|
5 september 2019 – 3 februari 2020
|
National Football League
|
32
|
Kansas City Chiefs
|
Super Bowl LIV
|
| 2020-talet:
|
| #
|
år
|
period
|
ligans namn
|
antal lag
|
mästare
|
Super skål
|
| 101
|
2020
|
10 september 2020 – 7 februari 2021
|
National Football League
|
32
|
Tampa Bay Buccaneers
|
Super Bowl LV
|
| 102
|
2021
|
9 september 2021 – 13 februari 2022
|
National Football League
|
32
|
Los Angeles Rams
|
Super Bowl LVI
|