Football
The second most popular sport would be baseball. Although it is second for most popular SEEN, it is first for the most PLAYED sport.
The NFL and College Football are really popular sports watched in the USA. Football is the most popular spectator sport in the US.
Soccer.
No, but it is the most played sport (or popular) in the world.
American Football.
American Football.
baseball
Baseball
basketball
Yes, it is!!
yes
Football is the most popular.