American boxing legend Mike Tyson has finally dispelled any notion that he will make a return to the ring.
The 38-year-old is believed to have torn the complex lateral meniscus in his left knee during his fight against Danny Williams.
Danny Williams shredded compatriot Audley Harrison's world heavyweight title aspirations by beating the former Olympic champion on a split points decision.
Ukraine's Vitali Klitschko stopped Britain's Danny Williams in the eighth round to retain his World Boxing Council heavyweight crown.
Mike Tyson tipped the scales at 233 pounds, while his opponent Irishman Kevin McBride weighed 271 pounds, his heaviest weight ever for a fight.
The 38-year-old's fierce aura and savage skills have eroded through inactivity, fighting just twice in the last three years.
The former world champion's trainer said Tyson is tired of training for his July 30 fight against British fighter Danny Williams.
The troubled and broke former-champion meets British heavyweight Danny Williams.
Tyson confessed in his new book Undisputed Truth that he used a fake penis to fool drug-testers and fought on cocaine.
Substitute Neymar scored two second-half goals to inspire Brazil to a 4-1 win over the United States in Massachusetts on Tuesday.