American football
American football, referred to simply as football in the United States and Canada and also known as gridiron football, is a team sport played by two teams of eleven... Wikipedia
- Highest governing body: International Federation of American Football
- Nicknames: Football, gridiron
- First played: November 6, 1869, New Brunswick, New Jersey, U.S, (Princeton vs. Rutgers)
- Contact: Full
- Team members: 11 (both teams may freely substitute players between downs)
- Type: Team sport, ball game
- Equipment: Football, Football helmet, Pads (shoulder, thigh, knee, and optionally elbow pads)
- Venue: Football field (rectangular: 120 yards long, 53 1 ⁄ 3 yards wide)
- Country or region: Worldwide (most popular in North America)
- Olympic: Demonstrated at the 1904 and 1932 Summer Olympics, flag football at the 2028 Summer Olympics
- Data source: DuckDuckGo