Soccer
No, it is not.
The most expensive sport car is a lamburgini
F1
Hockey {NHL} is the most expensive sport but it is very intertaining
horseback riding
Formula One is considered the richest.
They participate to prevent any cheating in the game of sport
They love sport. Mate.
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Marathon races are one big sport in which many people participate to enjoy the long race.
Horse Racing Nah, Formula 1 is way more expensive on average.