American football, referred to simply as football in the United States and Canada and also known as gridiron football, [nb 1] is a team sport played by two teams of eleven players on a …

American football is a form of gridiron football and the most popular sport in the United States. In the United States, the game is most often referred to as simply " football ". Football is played in …

American football, referred to as football in the United States and Canada and also known as gridiron, [nb 1] is a team sport. It is played by two teams with 11 players on each side. …

The history of American football can be traced to early versions of rugby football and association football.

2024年12月27日 · American football is the version of the sport of football that evolved from English rugby and soccer (association football). American football, played with 11 on each …

The origins of professional American football date back to 1892, with the $500 contract signed by William "Ponch" Heffelfinger to play a game for the Allegheny Athletic Association against the …

The National Football League (NFL) is an American football league. There are 32 teams in the league. The league is one of the major professional sports leagues of the United States and …

2024年12月27日 · American football - NFL, Rules, Strategy: Connected to a national audience through television—and under no obligation to build character or maintain educational …

2022年3月8日 · American football (referred to as football in the United States and Canada, also known as gridiron elsewhere) is a sport played by two teams of eleven players on a …

The National Football League (NFL) is a professional American football league composed of 32 teams, divided equally between the American Football Conference (AFC) and the National …