Gridiron football is a family of team sports derived from rugby football primarily played in the United States and Canada.
A 1904 diagram of an American football field. In this period, lines were painted along the length of the field as well as the width, making a grid pattern.
Commonwealth Stadium in Edmonton, with a Canadian Football League game in progress
Canadian football, or simply football, is a sport in Canada in which two teams of 12 players compete on a field 110 yards long and 65 yards wide, attempting to advance a pointed oval-shaped ball into
Gridiron football
…American football, which uses 11 players, is the version played in the United States and the best known form of gridiron football worldwide, while Canadian football, which uses 12 players, predominates in Canada. Other derivative versions include arena football, flag football, and amateur games such as touch and…
Calgary Stampeders (in red) vs. Montreal Alouettes game in 2007
A game between the Hamilton Tigers and the Ottawa Rough Riders, 1910
A game between the 4th Canadian Armoured Division Atoms and First Canadian Army Red and Blue Bombers, in Utrecht, Netherlands, October 1945
Touchdown monument outside the Canadian Football Hall of Fame in Hamilton, Ontario