National Football League
Upcoming season or competition: 2013 NFL season
Formerly American Professional Football Conference (1920) American Professional Football Association (1920–1922)
Sport American football
Founded August 20, 1920[1]
Commissioner Roger Goodell
Inaugural season 1920
No. of teams 32
Country(ies) United States[A]
Most recent champion(s) Baltimore Ravens (2nd title)[2]
Most titles Green Bay Packers (13 titles)[2]
TV partner(s) CBS Fox NBC ESPN NFL Network
Official website NFL.com
The headquarters of the National Football League at 345 Park Avenue, Midtown Manhattan, New York City, USA.[3]
The National Football League (NFL) is a professional American football league composed of 32 teams divided equally between the National Football Conference (NFC) and the American Football Conference (AFC). The highest level of professional football in the world,[4] the NFL runs a 17-week regular season from the week after Labor Day to the week after Christmas, with each team playing sixteen games and having one bye week. Out of the league's 32 teams, six (four division winners and two wild-card teams) from each conference compete in the NFL playoffs, a single-elimination tournament culminating in the Super Bowl, played between the champions of the NFC and AFC. Most games are played on Sundays, with games regularly held on Mondays and Thursdays. The NFL was formed on August 20, 1920 as the American Professional Football Conference; the league changed its name to the American Professional Football Association (APFA) on September 17, 1920 and changed their name to the National Football League on June 24, 1922 after spending the 1920 and