As I think Argentina will win the comp I am nearly all in on Messi, he needs a top tournament for Argentina to cement himself as the best on the planet and gut feeling is he will have a big tournament.
Longer shots are Falcao mainly because the group Colombia are in he could hit more than a few and they battered Uruguay & Chile in the qualifying stages, Fred is a really good shout, before his injury problems he was their main striker and likely to be the same next month, Neymar cannot be discounted, he plays better for Brazil than he does for Barca and is the golden boy.