response: Yeah, another feature of it is that there are two 11 player teams playing on a rectangular field, there are goalposts at both ends.
original_response: Yes, it is usually a two team sports played by 11 players
history: American football is so popular but i dont care for it much. Do you know about American football? It is referred to as football in the United States and Canada. Yea since other countries use football for what we call soccer.
knowledge: American football, referred to as football in the United States and Canada, and also known as gridiron football or simply gridiron, is a team sport played by two teams of eleven players on a rectangular field with goalposts at each end.