Sergio Martinez says he's 'a machine'

ESPN.com's Michael Woods caught up with middleweight champion Sergio Martinez at Thursday's media conference in New York City to promote Martinez's title fight against Matthew Macklin at the Madison Square Garden Theater on Saturday. When told that Macklin had suggested Martinez, at 37, might be primed for a loss, the Argentine champ responded through manager and translator Sampson Lewkowicz: "After I beat him by KO, definitely he will change his mind." Check out the whole interview above.