The number one spectator sport is NASCAR .
Soccer- worldwide Football- U.S.
The NFL and College Football are really popular sports watched in the USA. Football is the most popular spectator sport in the US.
The Kentucky Derby is the number one horse spectator sport in the US. It is a prestigious horse race held annually in Louisville, Kentucky, and is known as "The Most Exciting Two Minutes in Sports."
New York Yankees
Yes, NASCAR is the 2nd most popular spectator sport in the U.S. behind the NFL.
Rodeos
The sport is embraced heavily by the US and is played in nearly every school (high school and college) in the country. American football is one of the biggest spectator sports in the US and by far has the best Pro/League to play the game. To the US, American Football is the spectator equivalent to "proper football"/"Footy" and/or Rugby for most other countries in this world. Not to mention, nearly every other country in the world just don't embrace the sport.
Nascar ran a series of races called the Grand National. It was a precursor of what is the largest spectator sport in the US today.
The two most popular spectator sports in the U.S. in the early 1900's was Baseball and the ever popular Soccer
the bible
No, but it is the most played sport (or popular) in the world.