I would say there is a good chance they are bigger than the NBA. Maybe not basketball as a whole. But you can't compare an entire sport to one company within a sport.
Sig Credit: M.C
Miesha Tate - Urijah Faber - Dustin Poirier - Frankie Edgar - Claudia Gadelha - Tecia Torres - Demian Maia - Jessica Eye - Diaz Bro's