Timothy Bradley next fight: Manny Pacquiao to retire from boxing if he loses to 'Desert Storm' rumors not true? [VIDEO]

Manny Pacquiao's fight against Timothy Bradley is set for Saturday night, and while it may not be the highest-profile fight of his illustrious career, this could be the biggest. Why? Because rumor has it Pacman may hang up the gloves if he takes his third loss in four fights.