No, but it is the most played sport (or popular) in the world.
Baseball used to be the favorite sport played and watched in the US but now football is the most-watched sport, while BASKETBALL reigns supreme in terms of MOST PLAYED.
The most sport played is baseball, basketball, cheerleader's, football.
In the US it was baseball.
The second most popular sport would be baseball. Although it is second for most popular SEEN, it is first for the most PLAYED sport.
basketball and football
Soccer is Chiles most played sport, but tennis is Chiles second most played sport
Soccer is the most played sport in Australia
EVENTING is the most played sport in australia.
Hockey is the most played sport in Canada.