American football (known as football in the United States and gridiron in some other countries) is a sport played by two teams of eleven players on a rectangular field 120 yards long by 53.33 yards wide with goalposts at each end. The offense attempts to advance an oval ball (the football) down the field by running with or passing it. They must advance it at least ten yards in four downs to receive a new set of four downs and continue the drive; if not, they turn over the football to the opposing team. Points are scored by advancing the ball into the opposing team's end zone for a touchdown, kicking the ball through the opponent's goalposts for a field goal or by the defense tackling the ball carrier in the offense's end zone for a safety. The team with the most points at the end of a game wins.
American football evolved in the United States, originating from the sport of rugby football. The first game of American football was played on November 6, 1869 between two college teams, Rutgers and Princeton, under rules resembling rugby and soccer. A set of rule changes drawn up from 1880 onward by Walter Camp, the "Father of American Football", established the snap, eleven-player teams and the concept of downs, and later rule changes legalized the forward pass, created the neutral zone and specified the size and shape of the football.
Michael Jerome Oher (US pronunciation: //) (born May 28, 1986) is an American football offensive tackle for the Baltimore Ravens of the National Football League (NFL). He played college football at the University of Mississippi, and earned unanimous All-American honors. His life through his final year of high school and first year of college is one of the subjects of Michael Lewis's 2006 book, The Blind Side: Evolution of a Game, and was featured in the Academy Award-winning 2009 film The Blind Side. The Baltimore Ravens selected him in the first round of the 2009 NFL Draft.
Sports are an important part of the culture of the United States. Four of the nation's five most popular team sports were developed in North America: American football, basketball, baseball and ice hockey, whereas soccer was developed in England. The four Major leagues in the United States are the National Basketball Association (NBA), National Football League (NFL), Major League Baseball (MLB), the National Hockey League (NHL); all enjoy massive media exposure and are considered the preeminent competitions in their respective sports in the world. Three of those leagues have teams that represent Canadian cities, and all four are among the most lucrative sports leagues in the world. The top professional soccer league in the United States, Major League Soccer, has not yet reached the popularity levels of the top four sports leagues, although average attendance has been increasing and in fact has matched or surpassed those of the NBA and the NHL.
Professional teams in all major sports operate as franchises within a league. All major sports leagues use the same type of schedule with a playoff tournament after the regular season ends. In addition to the major league-level organizations, several sports also have professional minor leagues, active in smaller cities across the country.
National Football League (1996–present)
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The Blind Side: Evolution of a Game is a book by Michael Lewis released in 2006 about American football.
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Quinton Aaron (born August 15, 1984) is an American actor whose first lead role was as Michael Oher in the 2009 film The Blind Side.
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, 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. The champions of the Super Bowl are awarded the Vince Lombardi Trophy; various other awards exist to recognize individual players and coaches. Most games are played on Sunday afternoons; some games are also played on Mondays and Thursdays during the regular season. There are games on Saturdays during the last few weeks of the regular season and the first two playoff weekends.
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 its name to the National Football League on June 24, 1922, after spending the 1920 and 1921 seasons as the APFA. In 1966, the NFL agreed to merge with the rival American Football League (AFL), effective 1970; the first Super Bowl was held at the end of that same season in January 1967. Today, the NFL has the highest average attendance (67,591) of any professional sports league in the world and is the most popular sports league in the United States. The Super Bowl is among the biggest club sporting events in the world and individual Super Bowl games account for many of the most-watched programs in American history. At the corporate level, the NFL is an nonprofit 501(c)(6) association. The NFL's executive officer is the commissioner, who has broad authority in governing the league.
Tackle is a playing position in American and Canadian football. Historically, in the one-platoon system a tackle played on both offense and defense. In the modern system of specialized units, offensive tackle and defensive tackle are separate positions.