Globally it may be bigger than NFL, NBA, NHL but never will be bigger than Soccer. Soccer is still growing in terms of popularity, with many familys attending games. I have also noticed more black/asian guys at games now, something that was not present 15-25 years ago.
I cant see MMA being more popular than football, basketball, hockey, baseball in US though
Member of the Anti-Fitching Society. Stop Fitching and Fitchery in MMA now!
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'Roudy' Ronda Rousey, Fabricio Werdum, Vyacheslav Vasilevsky, Eric Koch, Alexander Sarnovsky