Evander Holyfield vs. Lennox Lewis in a rematch with Bowe, but then lost the titles in his first defense against southpaw Michael Moorer. Shortly after, Lewis lost his WBC heavyweight title to Oliver McCall, putting a Holyfield–Lewis unification bout on hold for several years. By 1996, the four heavyweight titles were separated, partly due to the IBF and WBA stripping George Foreman of their heavyweight titles, though he continued to be recognized as the "lineal" heavyweight champion. Meanwhile, Bruce Seldon defeated Tony Tucker to win the vacant WBA title, while Moorer regained the vacant IBF Heavyweight title he had lost to Foreman by defeating Axel
Boxing at the 2011 Pan American Games – Heavyweight Boxing at the 2011 Pan American Games – Heavyweight Men's heavyweight boxing competitions at the 2011 Pan American Games in Guadalajara will be held from October 22 to October 29 at the Expo Guadalajara Arena. Heavyweights were limited to those boxers weighing less than or equal to 91 kilograms. The defending champion was Osmay Acosta from Cuba. Like all Pan American boxing events, the competition was a straight single-elimination tournament. Both semifinal losers were awarded bronze medals, so no boxers competed again after their first loss. Bouts consisted of four rounds of two minutes each, with one-minute breaks between rounds.