American football BrE
football AmE ***

In American football, they must only be beyond the line.

American football is played by young people in some states.

In American football, a safety has a two point value.

"We want to develop an interest in American football at an early age."

American football is one of many sports often played in high schools.

Two years late the first rules for American football were written.

He is considered by some to be the "father of the forward pass" in American football.

It was a wonder that people could play American football here.

We have to be careful not to take this too far, as in American football.

A similar term used in American football is 4th & inches.