mma is the fastest growing sport in the world and is sure to pass up boxing replacing it as the dominant fighting sport. As for it becoming bigger than Baseball, Basketball, or football, i think it's highly unlikely
Lots of them but here are a few, Football, Basketball, baseball, & boxing
KICK-Boxing? Without a doubt not in the top 10. Football, Boxing, Soccer, Basketball, Baseball, Golf, Hockey, Tennis, NASCAR, INDY Racing. Are all more popular than Kick-Boxing. If you are just talking about BOXING, and not KICK-Boxing than Boxing would rank 4th (Football, Baseball, and Basketball would be ahead) Around the world it would rank 3rd (Soccer and Basketball)
Football Baseball Hockey Basketball Soccer Boxing
Soccer, Football, basketball, boxing, Rugby, Baseball, wrestling
boxing, baseball, football, dodgeball, basketball,
football, baseball, basketball, hockey, horse racing, boxing
Football basketball baseball boxing tennis golf crewing track and field
football, boxing, nascar, golf, soccer, hockey, rugby, Baseball, Basketball, Lacrosse, tennis.
Play Football,Baseball,Basketball. Go fishing, boxing, hunting, and hiking.
football, boxing, nascar, golf, soccer, hockey, rugby, baseball, basketball, lacrosse, tennis.
1) boxing 2)racing 3)baseball 4)american football 5)basketball
Baseball, football, boxing,basketball,soccer,windsurfing,snorkelling,diving,surfing,fishing