I'm assuming you meant to ask how many football teams are in the NFL.
The answer is 32.
There are two divisions: NFC (National Football Conference) and AFC (American Football Conference). Those are each divided into four subdivisions ( North, East, South, West). Within each subdivision are four teams. 4x4=16x2=32.
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there are six refs in a NFL football game
32 teams in the NFL.
Two. The NFL merged with the All-American Football Conference in 1950 and the American Football League in 1970.
1696 player in the NFL
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About 37,813 US NFL football fields.
260 athletes have gone on to play professional football in the NFL