By far it is Football (or Soccer as it is known in America).
soccer! is the number one sport in the world
Football (soccer) is by far the world's number one sport.
that sport would be soccer
Football (soccer) is by far the world's most popular sport.
cricket
hockey
football is the number one top sport in the world and chelsea football club is the best football club in the world!
There is averagely 2.158.521.036 sport players in the world
Soccer
Soccer.
I reckon , It must be Cricket....coz by popularity as well as countries & people playing this sport cricket should be the #2 sport in the world !!
soccer is the number one sport in the world