Mike Tyson this combination. Expectations for Tyson were extremely high, and he was the favorite to win the heavyweight unification series, a tournament designed to establish an undisputed heavyweight champion. Tyson defended his title against James Smith on March 7, 1987, in Las Vegas, Nevada. He won by unanimous decision and added Smith's World Boxing Association (WBA) title to his existing belt. "Tyson-mania" in the media was becoming rampant. He beat Pinklon Thomas in May by TKO in the sixth round. On August 1 he took the International Boxing Federation (IBF) title from Tony Tucker in a twelve round unanimous decision, with
Mike Tyson it. After being stripped of the WBC title in the same year, Tyson lost the WBA title to Evander Holyfield by an eleventh round stoppage. Their 1997 rematch ended when Tyson was disqualified for biting Holyfield's ears. In 2002, Tyson fought for the world heavyweight title again at the age of 35, losing by knockout to Lennox Lewis. Tyson retired from professional boxing in 2006, after being knocked out in consecutive matches against Danny Williams and Kevin McBride. Tyson declared bankruptcy in 2003, despite having received over $30 million for several of his fights and $300 million during his career.