How much does confidence cost? If you're 50 Cent, about $1.6 million ... 'cause that's how much the hip-hop star says he's going to bet on his old frenemy Floyd Mayweather Jr. to beat Manny Pacquiao. 50 and his G-Unit runnin' mate Tony Yayo sat down with "The Breakfast Club" this morning -- when Charlamagne Tha God asked...
