List of NFL seasons explained

The National Football League (NFL) is a professional American football league in the United States and the highest professional level of American football in the world.^[1] It was formed in 1920 as the American Professional Football Association (APFA) before adopting its current name for the 1922 season. After initially determining champions through end-of-season standings, a playoff system was implemented in 1933 that culminated with the NFL Championship Game. Following an agreement to merge the NFL with the rival American Football League (AFL) in 1966, the Super Bowl was first held in 1967 to determine a champion between the best teams from the two leagues and has remained as the final game of each NFL season since the merger was completed in 1970. After the merger, all AFL Championship Games and records were included in NFL record books, and the teams have been divided between the American Football Conference (AFC) and the National Football Conference (NFC).^[2]

Since 2002, the league has consisted of 32 teams based across the United States. Each NFL season since 2021 has started with a three-week preseason in August, followed by the 18-week regular season which runs from early September to early January, with each team playing 17 games and having one bye week. Following the conclusion of the regular season, seven teams from each conference (four division winners and three wild card teams) advance to the playoffs, a single-elimination tournament that culminates in the Super Bowl, which is contested in February and is played between the AFC and NFC conference champions.

Early years (1920–1932)

Early championships between 1920 and 1932 were awarded to the team with the best won-lost record, initially rather haphazardly, as some teams played more or fewer games than others, or scheduled games against non-league, amateur or collegiate teams; this led to the 1920 title being determined during a league meeting after the season, the 1921 title being decided on a controversial tiebreaker, a disputed 1925 title, and the scheduling of an impromptu 1932 indoor playoff game.

Season	No. of teams	Champion	Ref.
1920	14	Akron Pros	^[3]
1921	21	Chicago Staleys	^[4]
1922	18	Canton Bulldogs	^[5]
1923	20	Canton Bulldogs	^[6]
1924	18	Cleveland Bulldogs	^[7]
1925	20	Chicago Cardinals	^[8]
1926	22	Frankford Yellow Jackets	^[9]
1927	12	New York Giants	^[10]
1928	10	Providence Steam Roller	^[11]
1929	12		^[12]
1930	11	Green Bay Packers	^[13]
1931	10	Green Bay Packers	^[14]
1932	8	Chicago Bears	^[15]

1933–1959

In 1933, the teams were divided between the Eastern Division and Western Division. This became the American and National conferences in 1950 after absorbing the rival All-America Football Conference (AAFC), then the Eastern and Western conferences in 1953. The two division/conference regular season champions then played in the NFL Championship Game. If two teams tied for the division/conference championship at the end of the regular season, then a one-game playoff was played to determine who would advance to the NFL Championship Game.^{[16] [17]}

Season	No. of teams	Division/Conference champion		NFL Championship Game		Ref.
		Eastern Division (1933–1949) American Conference (1950–1952) Eastern Conference (1953–1959)	Western Division (1933–1949) National Conference (1950–1952) Western Conference (1953–1959)	Year	Champion
1933	10	New York Giants	Chicago Bears	1933	Chicago Bears	^[18]
1934	11	New York Giants	Chicago Bears	1934	New York Giants	^[19]
1935	9	New York Giants	Detroit Lions	1935	Detroit Lions	^[20]
1936	9	Boston Redskins	Green Bay Packers	1936	Green Bay Packers	^[21]
1937	10	Washington Redskins	Chicago Bears	1937	Washington Redskins	^[22]
1938	10	New York Giants	Green Bay Packers	1938	New York Giants	^[23]
1939	10	New York Giants	Green Bay Packers	1939	Green Bay Packers	^[24]
1940	10	Washington Redskins	Chicago Bears	1940	Chicago Bears	^[25]
1941	10	New York Giants	Chicago Bears	1941	Chicago Bears	^[26]
1942	10	Washington Redskins	Chicago Bears	1942	Washington Redskins	^[27]
1943	8	Washington Redskins	Chicago Bears	1943	Chicago Bears	^[28]
1944	10	New York Giants	Green Bay Packers	1944	Green Bay Packers	^[29]
1945	10	Washington Redskins	Cleveland Rams	1945	Cleveland Rams	^[30]
1946	10	New York Giants	Chicago Bears	1946	Chicago Bears	^[31]
1947	10	Philadelphia Eagles	Chicago Cardinals	1947	Chicago Cardinals	^[32]
1948	10	Philadelphia Eagles	Chicago Cardinals	1948	Philadelphia Eagles	^[33]
1949	10	Philadelphia Eagles	Los Angeles Rams	1949	Philadelphia Eagles	^[34]
1950	13	Cleveland Browns	Los Angeles Rams	1950	Cleveland Browns	^[35]
1951	12	Cleveland Browns	Los Angeles Rams	1951	Los Angeles Rams	^[36]
1952	12	Cleveland Browns	Detroit Lions	1952	Detroit Lions	^[37]
1953	12	Cleveland Browns	Detroit Lions	1953	Detroit Lions	^[38]
1954	12	Cleveland Browns	Detroit Lions	1954	Cleveland Browns	^[39]
1955	12	Cleveland Browns	Los Angeles Rams	1955	Cleveland Browns	^[40]
1956	12	New York Giants	Chicago Bears	1956	New York Giants	^[41]
1957	12	Cleveland Browns	Detroit Lions	1957	Detroit Lions	^[42]
1958	12	New York Giants	Baltimore Colts	1958	Baltimore Colts	^[43]
1959	12	New York Giants	Baltimore Colts	1959	Baltimore Colts	^[44]

War with the AFL (1960–1969)

The rival American Football League (AFL) began play in 1960 with its own Eastern and Western divisions and AFL Championship Game. Following an agreement to merge the NFL with AFL, the Super Bowl was first held at the conclusion of the 1966 season to determine a champion between the best teams from the two leagues. The NFL then established a four-team postseason tournament in 1967, and the AFL did the same in 1969.^[45]

NFL						AFL						Super Bowl (1966–1969)		Ref.
Season	No. of teams	Conference champions		NFL Championship Game		Season	No. of teams	Division champions		AFL Championship Game		Game	Champion
		Eastern Conference	Western Conference	Year	Champion			Eastern Division	Western Division	Year	Champion
1960	13	Philadelphia Eagles	Green Bay Packers	1960	Philadelphia Eagles	1960	8	Houston Oilers	Los Angeles Chargers	1960	Houston Oilers	^[46] ^[47]
1961	14	New York Giants	Green Bay Packers	1961	Green Bay Packers	1961	8	Houston Oilers	San Diego Chargers	1961	Houston Oilers			^[48] ^[49]
1962	14	New York Giants	Green Bay Packers	1962	Green Bay Packers	1962	8	Houston Oilers	Dallas Texans	1962	Dallas Texans			^[50] ^[51]
1963	14	New York Giants	Chicago Bears	1963	Chicago Bears	1963	8	Boston Patriots	San Diego Chargers	1963	San Diego Chargers			^[52] ^[53]
1964	14	Cleveland Browns	Baltimore Colts	1964	Cleveland Browns	1964	8	Buffalo Bills	San Diego Chargers	1964	Buffalo Bills			^[54] ^[55]
1965	14	Cleveland Browns	Green Bay Packers	1965	Green Bay Packers	1965	8	Buffalo Bills	San Diego Chargers	1965	Buffalo Bills			^[56] ^[57]
1966	15	Dallas Cowboys	Green Bay Packers	1966	Green Bay Packers	1966	9	Buffalo Bills	Kansas City Chiefs	1966	Kansas City Chiefs	I	Green Bay Packers	^[58] ^[59]
1967	16	Dallas Cowboys	Green Bay Packers	1967	Green Bay Packers	1967	9	Houston Oilers	Oakland Raiders	1967	Oakland Raiders	II	Green Bay Packers	^[60] ^[61]
1968	16	Cleveland Browns	Baltimore Colts	1968	Baltimore Colts	1968	10	New York Jets	Oakland Raiders	1968	New York Jets	III	New York Jets	^[62] ^[63]
1969	16	Cleveland Browns	Minnesota Vikings	1969	Minnesota Vikings	1969	10	New York Jets	Oakland Raiders	1969	Kansas City Chiefs	IV	Kansas City Chiefs	^[64] ^[65]

Modern era (1970–present)

The AFL–NFL merger between the two leagues was completed before the 1970 season. The teams were divided between the American Football Conference (AFC) and the National Football Conference (NFC). The two conference playoff champions then played in the Super Bowl to determine the NFL champion.^[66]

Season	No. of teams	Regular season			Playoffs			Super Bowl		Ref.
		No. of games	AFC top seed	NFC top seed	Postseason	AFC champion	NFC champion	Game	Champion
	26	14	—	—	1970–71	Baltimore Colts	Dallas Cowboys	V	Baltimore Colts	^[67]
	26	14	—	—	1971–72	Miami Dolphins	Dallas Cowboys	VI	Dallas Cowboys	^[68]
	26	14	—	—	1972–73	Miami Dolphins	Washington Redskins	VII	Miami Dolphins	^[69]
	26	14	—	—	1973–74	Miami Dolphins	Minnesota Vikings	VIII	Miami Dolphins	^[70]
	26	14	—	—	1974–75	Pittsburgh Steelers	Minnesota Vikings	IX	Pittsburgh Steelers	^[71]
	26	14	Pittsburgh Steelers	Minnesota Vikings	1975–76	Pittsburgh Steelers	Dallas Cowboys	X	Pittsburgh Steelers	^[72]
	28	14	Oakland Raiders	Minnesota Vikings	1976–77	Oakland Raiders	Minnesota Vikings	XI	Oakland Raiders	^[73]
	28	14	Denver Broncos	Dallas Cowboys	1977–78	Denver Broncos	Dallas Cowboys	XII	Dallas Cowboys	^[74]
	28	16	Pittsburgh Steelers	Los Angeles Rams	1978–79	Pittsburgh Steelers	Dallas Cowboys	XIII	Pittsburgh Steelers	^[75]
	28	16	San Diego Chargers	Dallas Cowboys	1979–80	Pittsburgh Steelers	Los Angeles Rams	XIV	Pittsburgh Steelers	^[76]
	28	16	San Diego Chargers	Atlanta Falcons	1980–81	Oakland Raiders	Philadelphia Eagles	XV	Oakland Raiders	^[77]
	28	16	Cincinnati Bengals	San Francisco 49ers	1981–82	Cincinnati Bengals	San Francisco 49ers	XVI	San Francisco 49ers	^[78]
	28	9	Los Angeles Raiders	Washington Redskins	1982–83	Miami Dolphins	Washington Redskins	XVII	Washington Redskins	^[79]
	28	16	Los Angeles Raiders	Washington Redskins	1983–84	Los Angeles Raiders	Washington Redskins	XVIII	Los Angeles Raiders	^[80]
	28	16	Miami Dolphins	San Francisco 49ers	1984–85	Miami Dolphins	San Francisco 49ers	XIX	San Francisco 49ers	^[81]
	28	16	Los Angeles Raiders	Chicago Bears	1985–86	New England Patriots	Chicago Bears	XX	Chicago Bears	^[82]
	28	16	Cleveland Browns	New York Giants	1986–87	Denver Broncos	New York Giants	XXI	New York Giants	^[83]
	28	15	Denver Broncos	San Francisco 49ers	1987–88	Denver Broncos	Washington Redskins	XXII	Washington Redskins	^[84]
	28	16	Cincinnati Bengals	Chicago Bears	1988–89	Cincinnati Bengals	San Francisco 49ers	XXIII	San Francisco 49ers	^[85]
	28	16	Denver Broncos	San Francisco 49ers	1989–90	Denver Broncos	San Francisco 49ers	XXIV	San Francisco 49ers	^[86]
	28	16	Buffalo Bills	San Francisco 49ers	1990–91	Buffalo Bills	New York Giants	XXV	New York Giants	^[87]
	28	16	Buffalo Bills	Washington Redskins	1991–92	Buffalo Bills	Washington Redskins	XXVI	Washington Redskins	^[88]
	28	16	Pittsburgh Steelers	San Francisco 49ers	1992–93	Buffalo Bills	Dallas Cowboys	XXVII	Dallas Cowboys	^[89]
	28	16	Buffalo Bills	Dallas Cowboys	1993–94	Buffalo Bills	Dallas Cowboys	XXVIII	Dallas Cowboys	^[90]
	28	16	Pittsburgh Steelers	San Francisco 49ers	1994–95	San Diego Chargers	San Francisco 49ers		San Francisco 49ers	^[91]
	30	16	Kansas City Chiefs	Dallas Cowboys	1995–96	Pittsburgh Steelers	Dallas Cowboys	XXX	Dallas Cowboys	^[92]
	30	16	Denver Broncos	Green Bay Packers	1996–97	New England Patriots	Green Bay Packers	XXXI	Green Bay Packers	^[93]
	30	16	Kansas City Chiefs	San Francisco 49ers	1997–98	Denver Broncos	Green Bay Packers	XXXII	Denver Broncos	^[94]
	30	16	Denver Broncos	Minnesota Vikings	1998–99	Denver Broncos	Atlanta Falcons		Denver Broncos	^[95]
	31	16	Jacksonville Jaguars	St. Louis Rams	1999–2000	Tennessee Titans	St. Louis Rams	XXXIV	St. Louis Rams	^[96]
	31	16	Tennessee Titans	New York Giants	2000–01	Baltimore Ravens	New York Giants	XXXV	Baltimore Ravens	^[97]
	31	16	Pittsburgh Steelers		2001–02	New England Patriots	St. Louis Rams	XXXVI	New England Patriots	^[98]
	32	16	Oakland Raiders	Philadelphia Eagles	2002–03	Oakland Raiders	Tampa Bay Buccaneers	XXXVII	Tampa Bay Buccaneers	^[99]
	32	16	New England Patriots	Philadelphia Eagles	2003–04	New England Patriots	Carolina Panthers	XXXVIII	New England Patriots	^[100]
	32	16	Pittsburgh Steelers	Philadelphia Eagles	2004–05	New England Patriots	Philadelphia Eagles	XXXIX	New England Patriots	^[101]
	32	16	Indianapolis Colts	Seattle Seahawks	2005–06	Pittsburgh Steelers	Seattle Seahawks	XL	Pittsburgh Steelers	^[102]
	32	16	San Diego Chargers	Chicago Bears	2006–07	Indianapolis Colts	Chicago Bears	XLI	Indianapolis Colts	^[103]
	32	16	New England Patriots	Dallas Cowboys	2007–08	New England Patriots	New York Giants	XLII	New York Giants	^[104]
	32	16	Tennessee Titans	New York Giants	2008–09	Pittsburgh Steelers	Arizona Cardinals	XLIII	Pittsburgh Steelers	^[105]
	32	16	Indianapolis Colts	New Orleans Saints	2009–10	Indianapolis Colts	New Orleans Saints	XLIV	New Orleans Saints	^[106]
	32	16	New England Patriots	Atlanta Falcons	2010–11	Pittsburgh Steelers	Green Bay Packers	XLV	Green Bay Packers	^[107]
	32	16	New England Patriots	Green Bay Packers	2011–12	New England Patriots	New York Giants	XLVI	New York Giants	^[108]
	32	16	Denver Broncos	Atlanta Falcons	2012–13	Baltimore Ravens	San Francisco 49ers	XLVII	Baltimore Ravens	^[109]
	32	16	Denver Broncos	Seattle Seahawks	2013–14	Denver Broncos	Seattle Seahawks	XLVIII	Seattle Seahawks	^[110]
	32	16	New England Patriots	Seattle Seahawks	2014–15	New England Patriots	Seattle Seahawks	XLIX	New England Patriots	^[111]
	32	16	Denver Broncos	Carolina Panthers	2015–16	Denver Broncos	Carolina Panthers	50	Denver Broncos	^[112]
	32	16	New England Patriots	Dallas Cowboys	2016–17	New England Patriots	Atlanta Falcons	LI	New England Patriots	^[113]
	32	16	New England Patriots	Philadelphia Eagles	2017–18	New England Patriots	Philadelphia Eagles	LII	Philadelphia Eagles	^[114]
	32	16	Kansas City Chiefs	New Orleans Saints	2018–19	New England Patriots	Los Angeles Rams	LIII	New England Patriots	^[115]
	32	16	Baltimore Ravens	San Francisco 49ers	2019–20	Kansas City Chiefs	San Francisco 49ers	LIV	Kansas City Chiefs	^[116]
	32	16	Kansas City Chiefs	Green Bay Packers	2020–21	Kansas City Chiefs	Tampa Bay Buccaneers	LV	Tampa Bay Buccaneers	^[117]
	32	17	Tennessee Titans	Green Bay Packers	2021–22	Cincinnati Bengals	Los Angeles Rams	LVI	Los Angeles Rams	^[118]
	32	17	Kansas City Chiefs	Philadelphia Eagles	2022–23	Kansas City Chiefs	Philadelphia Eagles	LVII	Kansas City Chiefs	^[119]
	32	17	Baltimore Ravens	San Francisco 49ers	2023–24	Kansas City Chiefs	San Francisco 49ers	LVIII	Kansas City Chiefs	^[120]

Future seasons

See also: NFL International Series. Listed below is the current schedule of division match-ups for the next few upcoming regular seasons, based on the three-year intra-conference and four-year inter-conference rotations in place since 2021. In each year, besides the home and away games against their three division rivals, all four teams in each division listed at the top will play one game against all four teams in both of the divisions to which it has been assigned — one from the AFC, the other from the NFC. Each team will also play an additional inter-conference "17th game" from another division based on the prior season's standings, with the AFC team hosting it in odd years and the NFC team hosting it in even years. This table also lists the sites of the regular season games that are planned to be held outside the United States as part of the NFL International Series, as well as the sites and US TV networks of the corresponding Super Bowls.

Current listing of International Series games are based on extant contracts. The league stated in 2017 that it was using "inventory management" to wait until current agreements expire before potentially expanding the series, particularly into Germany.^[121] The current agreement with Tottenham Hotspur Stadium in London runs through 2027.^[122] Germany will host four games between 2022 and 2025, two each in Allianz Arena, Munich and Deutsche Bank Park, Frankfurt, starting with Munich.^[123] The NFL expanded their partnership with Tottenham Hotspur Stadium in London until 2029.^[124] On December 13, 2023, the league announced that an additional international game in 2024 will be held at Arena Corinthians in São Paulo, Brazil. And the league plans to hold up to 8 international games beginning in 2025.^[125]

Season	Scheduled division match-ups^[126]									NFL International Series^[127] ^[128]	Super Bowl
		AFC East	AFC North	AFC South	AFC West	NFC East	NFC North	NFC South	NFC West
2024	AFC	South	West	East	North	North	South	West	East	Games at Tottenham Hotspur Stadium (London, 2) and Wembley Stadium (London, 1) Game at Allianz Arena (Munich, 1) Game at Arena Corinthians (São Paulo, 1)	Super Bowl LIX Caesars Superdome New Orleans, LA
	NFC	West	East	North	South	South	West	East	North
	17th Game	at NFC North	at NFC South	at NFC East	at NFC West	AFC South	AFC East	AFC North	AFC West
2025	AFC	North	South	North	East	West	North	East	South	Game(s) at Tottenham Hotspur Stadium (London, 2), and Wembley Stadium (London, 1) Game(s) at Deutsche Bank Park (Frankfurt, number TBD), Game(s) at Santiago Bernabéu Stadium (Madrid, number TBD), Other(s) TBA	Super Bowl LX Levi's Stadium Santa Clara, CA
	NFC	South	North	West	East	North	East	West	South
	17th Game	NFC East	NFC West	NFC South	NFC North	at AFC East	at AFC West	at AFC South	at AFC North
2026	AFC	West	North	South	East	South	East	North	West	Game(s) at Tottenham Hotspur Stadium (London, number TBD), Other(s): TBA	Super Bowl LXI SoFi Stadium Inglewood, CA
	NFC	North	South		West	West	South	North	East
	17th Game	at NFC West	at NFC East	at NFC North	at NFC South	AFC North	AFC South	AFC West	AFC East
2027	AFC	South	West	East	North	East	West	South	North	Game(s) at Tottenham Hotspur Stadium (London, number TBD), Other(s): TBA	Super Bowl LXII Location TBD
	NFC	East	West	South	North	South	West	East	North
	17th Game	NFC South	NFC North	NFC West	NFC East	at AFC West	at AFC North	at AFC East	at AFC South
Scheduled division match-up		AFC East	AFC North	AFC South	AFC West	NFC East	NFC North	NFC South	NFC West

See also

• Lists of National Football League team seasons
• Timeline of the National Football League
• American Football League (1926) (AFL I)
  • 1926 American Football League season
• American Football League (1936) (AFL II)
  • 1936 American Football League season
  • 1937 American Football League season
• American Football League (1940) (AFL III)
  • 1940 American Football League season
  • 1941 American Football League season
• All-America Football Conference (AAFC)
  • 1946 AAFC season
  • 1947 AAFC season
  • 1948 AAFC season
  • 1949 AAFC season
  • AAFC–NFL merger
• Ohio League
• New York Pro Football League
• Western Pennsylvania Professional Football Circuit
• Anthracite League
• Midwest Football League (1935–1940)

References

General

• Web site: 2023 National Football League Record & Fact Book. National Football League. 2023. June 7, 2023. June 27, 2023. https://web.archive.org/web/20230627153236/https://operations.nfl.com/updates/the-game/2023-nfl-record-and-fact-book/. live.
• Web site: NFL Media Guides. National Football League. June 4, 2022. June 2, 2022. https://web.archive.org/web/20220602012029/https://www.nfl.com/media-guides/. live.
• Web site: Standings. National Football League. June 4, 2022. June 4, 2022. https://web.archive.org/web/20220604184446/https://www.nfl.com/standings/. live.
• Web site: Football History. Pro Football Hall of Fame. June 4, 2022. May 27, 2022. https://web.archive.org/web/20220527121142/https://www.profootballhof.com/football-history/football-history/. live.
• Web site: Pro Football & NFL History. Pro Football Reference. June 4, 2022. June 7, 2022. https://web.archive.org/web/20220607032418/https://www.pro-football-reference.com/years/. live.
• Book: Bob. Carroll. Michael. Gershman. David. Neft. John. Thorn. Total Football II: The Official Encyclopedia of the National Football League. William Morrow. August 4, 1999. 978-0062701749.

Specific

Notes and References

1. Book: Jozsa, Frank P.. Sports Capitalism: The Foreign Business of American Professional Leagues. Ashgate Publishing. 2004. 978-0-7546-4185-8. 270. Since 1922, [the NFL] has been the top professional sports league in the world with respect to American football.
2. Web site: Gulizia . Anthony . Willis . Jeremy . August 14, 2019 . How the NFL took over America in 100 years . live . https://web.archive.org/web/20210813150339/https://www.espn.com/nfl/story/_/id/27321898/how-nfl-took-america-100-years . August 13, 2021 . January 25, 2020 . ESPN.
3. Web site: 1920 APFA Standings & Team Stats. Pro Football Reference. June 4, 2022. July 30, 2018. https://web.archive.org/web/20180730234700/https://www.pro-football-reference.com/years/1920_APFA/. live.
4. Web site: 1921 APFA Standings & Team Stats. Pro Football Reference. June 4, 2022. May 17, 2022. https://web.archive.org/web/20220517045003/https://www.pro-football-reference.com/years/1921_APFA/. live.
5. Web site: 1922 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. June 19, 2022. https://web.archive.org/web/20220619205529/https://www.pro-football-reference.com/years/1922/. live.
6. Web site: 1923 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. April 29, 2021. https://web.archive.org/web/20210429051120/https://www.pro-football-reference.com/years/1923/. live.
7. Web site: 1924 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 20, 2022. https://web.archive.org/web/20220520193827/https://www.pro-football-reference.com/years/1924/. live.
8. Web site: 1925 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 17, 2022. https://web.archive.org/web/20220517044958/https://www.pro-football-reference.com/years/1925/. live.
9. Web site: 1926 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. June 3, 2021. https://web.archive.org/web/20210603090800/https://www.pro-football-reference.com/years/1926/. live.
10. Web site: 1927 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 17, 2022. https://web.archive.org/web/20220517045002/https://www.pro-football-reference.com/years/1927/. live.
11. Web site: 1928 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 20, 2022. https://web.archive.org/web/20220520011650/https://www.pro-football-reference.com/years/1928/. live.
12. Web site: 1929 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. June 21, 2022. https://web.archive.org/web/20220621020249/https://www.pro-football-reference.com/years/1929/. live.
13. Web site: 1930 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 17, 2022. https://web.archive.org/web/20220517045006/https://www.pro-football-reference.com/years/1930/. live.
14. Web site: 1931 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. June 19, 2022. https://web.archive.org/web/20220619205523/https://www.pro-football-reference.com/years/1931/. live.
15. Web site: 1932 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 19, 2022. https://web.archive.org/web/20220519124734/https://www.pro-football-reference.com/years/1932/. live.
16. Book: Lyons, Robert S.. On Any Given Sunday, A Life of Bert Bell. Temple University Press. 2010. 978-1-59213-731-2. 50.
17. 2021 NFL Record & Fact Book, pp. 351–353.
18. Web site: 1933 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. June 21, 2022. https://web.archive.org/web/20220621025743/https://www.pro-football-reference.com/years/1933/. live.
19. Web site: 1934 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 20, 2022. https://web.archive.org/web/20220520193828/https://www.pro-football-reference.com/years/1934/. live.
20. Web site: 1935 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. June 19, 2022. https://web.archive.org/web/20220619205517/https://www.pro-football-reference.com/years/1935/. live.
21. Web site: 1936 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. June 21, 2022. https://web.archive.org/web/20220621024332/https://www.pro-football-reference.com/years/1936/. live.
22. Web site: 1937 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 26, 2022. https://web.archive.org/web/20220526213053/https://www.pro-football-reference.com/years/1937/. live.
23. Web site: 1938 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 21, 2022. https://web.archive.org/web/20220521162417/https://www.pro-football-reference.com/years/1938/. live.
24. Web site: 1939 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. June 21, 2022. https://web.archive.org/web/20220621024332/https://www.pro-football-reference.com/years/1939/. live.
25. Web site: 1940 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. June 19, 2022. https://web.archive.org/web/20220619205514/https://www.pro-football-reference.com/years/1940/. live.
26. Web site: 1941 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 17, 2022. https://web.archive.org/web/20220517045007/https://www.pro-football-reference.com/years/1941/. live.
27. Web site: 1942 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 17, 2022. https://web.archive.org/web/20220517044954/https://www.pro-football-reference.com/years/1942/. live.
28. Web site: 1943 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 17, 2022. https://web.archive.org/web/20220517044959/https://www.pro-football-reference.com/years/1943/. live.
29. Web site: 1944 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 20, 2022. https://web.archive.org/web/20220520182608/https://www.pro-football-reference.com/years/1944/. live.
30. Web site: 1945 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 17, 2022. https://web.archive.org/web/20220517045005/https://www.pro-football-reference.com/years/1945/. live.
31. Web site: 1946 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 20, 2022. https://web.archive.org/web/20220520193831/https://www.pro-football-reference.com/years/1946/. live.
32. Web site: 1947 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. June 19, 2022. https://web.archive.org/web/20220619205516/https://www.pro-football-reference.com/years/1947/. live.
33. Web site: 1948 NFL Standings & Team Stats. Pro Football Reference. June 4, 2022. May 20, 2022. https://web.archive.org/web/20220520000219/https://www.pro-football-reference.com/years/1948/. live.
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