Kevin McBride McBride's career-defining performance was a victory over Mike Tyson, former undisputed world heavyweight champion, via a 6th-round TKO on 11 June 2005 when Tyson quit the fight by informing the referee that he would not be able to continue to round Seven in the MCI Center in Washington, D.C. The aged Tyson explained in a post fight interview that his heart wasn't into the sport any more. Tyson announced his retirement after the bout, saying "I'm not going to disrespect the sport anymore by losing to this caliber of fighter". McBride has suffered six losses by knockout—including twice against fighters
Laila Ali the IWBF Light Heavyweight title to her resume by beating Gwendolyn O'Neil (whom she had earlier canceled a fight against) by a knockout in three rounds, at Atlanta, Georgia. On February 1, 2005, in Atlanta, Ali scored a commanding and decisive eighth-round technical knockout over Cassandra Geiggar in a ten-round fight. On June 11, 2005, on the undercard to the Tyson-Kevin McBride fight, Ali defeated Erin Toughill in round three to remain undefeated and won the World Boxing Council title in addition to defending her WIBA crown. She was the second woman to win a WBC title (Jackie Nava was