Originally written on Fox Sports  |  Last updated 9/15/14

LAS VEGAS - NOVEMBER 14: (L-R) Miguel Cotto of Puerto Rico throws a right to the head of Manny Pacquiao during their WBO welterweight title fight at the MGM Grand Garden Arena on November 14, 2009 in Las Vegas, Nevada. (Photo by Al Bello/Getty Images)
Floyd Mayweather Jr. has been doing this all his life, since he was a scrawny kid seeking solace in the gym. The ring is his comfort zone, and he'll enter it Saturday certain as ever that when the night is through he'll not only be a lot richer but still unbeaten. Miguel Cotto is certain of a few things himself. Certain that he has conquered his worst fears in boxing, certain that he can be the first one to conquer Mayweather. Not many believe that, especially the oddsmakers who make Mayweather a 6-1 favorite in Saturday night's fight. If any fighter is a live underdog, though, it's Cotto, a relentless puncher who believes in himself again after finally avenging a beating he took from Antonio Margarito.
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