What are the most popular sports in usa?
No context provided
What is the most popular sport in the USA to participate in?
Exercise walking
Sports in the United States are an important part of American culture. American football is the most popular sport to watch in the United States, followed by baseball, basketball, and ice hockey. Soccer, tennis, golf, wrestling, auto racing, arena football, field lacrosse, box lacrosse and volleyball are also popular sports in the country. Based on Olympic Games, World Championships, and other major competitions in respective sports, the United States is the most successful sports nation in the world. 
What is the most popular sport in the USA to watch?
football
Sports in the United States
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What is the most popular sports league in the USA to watch in person?
Major League Baseball
Sports in the United States
https://en.wikipedia.org/wiki/Sports%20in%20the%20United%20States
In the broadest definition of sports—physical recreation of all sorts—the four most popular sports among the general population of the United States are exercise walking (90 million), exercising with equipment (53 million), swimming (52 million) and camping (47 million).
Sports in the United States
Today, the NFL is the most popular sports league in North America; much of its growth is attributed to former Commissioner Pete Rozelle, who led the league from 1960 to 1989. Overall annual attendance increased from 3 million at the beginning of his tenure to 17 million by the end of his tenure, and 400 million global viewers watched 1989's Super Bowl XXIII.
National Football League
MLB has the highest total season attendance of any sports league in the world with more than 69.6 million spectators in 2018.
Major League Baseball
The sport Americans enjoy the most is exercise walking, with about 90 million participants. However, football is the most watched sport in America, where the NFL is the most popular sports league and the Super Bowl in particular draws high viewership numbers. When attending games in person, however, Major League Baseball is America's favorite choice with more than 69.6 million spectators in 2018.