NFL National Football League is the firstl league in the hierarchy of organized competition overseas. League was founded on August 20, 1920 as the American Professional Football associational but in 1922 will change their name to NFL , a name that dates today.
NFL National Football League match of the competition founded in 1920 a total of 11 teams , increasing their number to 32. Association is divided into two equal-American Conference Football Conference and National Football Conference . In each conference components enter four divisions with four clubs competing in professional league.
American Football League is one of the four major sports leagues in America and by far the one who holds the record of organized audience with an average per match in the 2009 regular season 67 509 spectators.
NFL National Football League regular season lasts 17 weeks during which football teams played a total of 16 matches, one per week for each echipa.Season start is on Tuesday ,the first week of September and runs weekly until late December or early January.
The competition is organized into playoff system at the end of each regular season competition of the six teams from each conference, each binding a football team in each division.These teams play the playoffs wich is a knock-out tournament that determines the champion of the NFL football season in the big match between Finalists - Super Bowl.
Super Bowl is hosted by a particular city chosen before the start of football season, usually a city where matches are held in the NFL.
In 1920, representatives of the American Football League and several independent teams of professional American Football Conference form the basis of American Professional Football Conference, which will soon acquire the name NFL.
First official match took place in 1933 , in 1958 American league will become the most popular of sports leagues in the United States because of finals contention for winning the title of champion in NFL history that has remained under the name "The Greatest Game Ever Played ".
In 1966 start unification talks with the American Football League that is done in 1970 and gave birth to league match that will decide the champion - Super Bowl, which became the most watched annual sporting event in the United States.

Season playoffs will be organized as a knock-out tournament which determines the participating teams in the Super Bowl. In playoffs evolves 12 teams , six from each conference, the American Football Conference (AFC) and National Football Conference (NFC).
Football teams that complete the playoffs participating :
NFL National Football League is the only major league of the four United States which organizes season playoffs as a knock-out tournament, Major League Baseball, National Basketball Association and National Hockey League using a "best-of" format.
The all-star game, the match that best meet football players and takes place one week after the final disputarea NFL Super Bowl.
In NFL football competition attended by 32 professional football clubs , each team allowed to have 53 players in its composition but only use 45 for weekly games.
The most valuable team in the NFL National Football League is Dallas Cowboys with an estimated value by 1.6 billion dollars, one of the most valuable franchises in all professional sports in the world exceeded only by the club in the Premier League - Manchester United has a value of approximately $ 1,800,000,000 and shareholder Malcolm Glazer, whose stake in the club holds at NFL Tampa Bay Buccaneers.
| Division | Team | Stadium | Founded |
Joined NFL | Coach |
| American Football Conference | |||||
| East | Buffalo Bills | Ralph Wilson Stadium | Oct 28, 1959 (AFL) | 1970 | Chan Gailey |
| Miami Dolphins | Sun Life Stadium | Aug 16 1965 (AFL) | 1970 | Tony Sparano | |
| New England Patriots | Gillette Stadium | Nov 22, 1959 (AFL) | 1970 | Bill Belichick | |
| New York Jets | New Meadowlands Stadium | Aug 14, 1959 (AFL) | 1970 | Rex Ryan | |
| North | Baltimore Ravens | M&T Bank Stadium | Feb 9, 1996 | 1996 2 | John Harbaugh |
| Cincinnati Bengals | Paul Brown Stadium | May, 23, 1967 (AFL) | 1970 | Marvin Lewis | |
| Cleveland Browns | Cleveland Browns Stadium | June 4, 1944 (AAFC) | 1950 2 | Eric Mangini | |
| Pittsburgh Steelers | Heinz Field | July 8, 1933 | 1933 | Mike Tomlin | |
| South | Houston Texans | Reliant Stadium | Oct 6, 1999 | 2002 | Gary Kubiak |
| Indianapolis Colts |
Lucas Oil Stadium | Jan 23, 1953 | 1953 | Jim Caldwell | |
| Jacksonville Jaguars | EverBank Field | Nov 30, 1993 | 1995 | Jack Del Rio | |
| Tennessee Titans |
LP Field | Aug 14, 1959 (AFL) | 1970 | Jeff Fisher | |
| West | Denver Broncos | Invesco Field at Mile High | Aug 14, 1959 (AFL) | 1970 | Josh McDaniels |
| Kansas City Chiefs |
Arrowhead Stadium | Aug 14, 1959 (AFL) | 1970 | Todd Haley | |
| Oakland Raiders |
Oakland-Alameda County Coliseum | Jan 30, 1960 (AFL) | 1970 | Tom Cable | |
| San Diego Chargers |
Qualcomm Stadium | Aug 14, 1959 (AFL) | 1970 | Norv Turner | |
| National Football Conference | |||||
| East | Dallas Cowboys | Cowboys Stadium | Jan 28, 1960 | 1960 | Jason Garrett (interim) |
| New York Giants | New Meadowlands Stadium | Aug 1, 1925 | 1925 | Tom Coughlin | |
| Philadelphia Eagles | Lincoln Financial Field | July 8, 1933 | 1933 | Andy Reid | |
| Washington Redskins |
FedEx Field | July 9, 1932 | 1932 | Mike Shanahan | |
| North | Chicago Bears |
Soldier Field | 1919 | Sept 17, 1920 | Lovie Smith |
| Detroit Lions |
Ford Field | 1929 | July 12, 1930 | Jim Schwartz | |
| Green Bay Packers | Lambeau Field | 1919 | Aug 27, 1921 | Mike McCarthy | |
| Minnesota Vikings | Mall of America Field at Hubert H. Humphrey Metrodome | Jan 28, 1960 | 1961 | Brad Childress | |
| South | Atlanta Falcons | Georgia Dome | June 30, 1965 | 1966 | Mike Smith |
| Carolina Panthers | Bank of America Stadium | Oct 26, 1993 | 1995 | John Fox | |
| New Orleans Saints | Louisiana Superdome | Nov 1, 1966 | 1967 | Sean Payton | |
| Tampa Bay Buccaneers | Raymond James Stadium | April 24, 1974 | 1976 | Raheem Morris | |
| West | Arizona Cardinals |
University of Phoenix Stadium | 1898 | Sept 17, 1920 | Ken Whisenhunt |
| St. Louis Rams |
Edward Jones Dome | Feb 12, 1937 | 1937 | Steve Spagnuolo | |
| San Francisco 49ers | Candlestick Park | June 4, 1944 (AAFC) | 1950 | Mike Singletary | |
| Seattle Seahawks | Qwest Field | June 4, 1974 | 1976 | Pete Carroll | |
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