omg lmao even wikihow has a guide:
http://www.wikihow.com/Become-a-Pro-Gamer-for-MLG
do you think that LoL is one of the first few games to make it "big" in the US? Or would it be like.. starcraft and WoW or w/e (I don't know if WoW even has tournaments). I assume they're popular in korea but not sure about the US.