soccer! is the number one sport in the world
Football (soccer) is by far the world's number one sport.
hockey
Soccer
soccer is the number one sport in the world
Football or American Soccer.
It is American football even though it is number one in America, and growing in popularity outside the US, soccer is still the world's best sport.
The number one spectator sport is NASCAR .
Yes; played in nearly every country.
There is averagely 2.158.521.036 sport players in the world
It is not possible to determine who the number one cyclist in the world would be because cycling is not a consistent sport. While there are many great athletes in the sport, it varies depending on the course and the weather. This being said, many considered Lance Armstrong to be the best until he was stripped of his titles for drug use.
NFL
Association football or soccer is the number one sport that every player participates.