Ejemplos de uso de IBF
1. Relinquishing his IBF belt was, he felt, a necessary evil.
2. In title fights, he beat James "Buster" Douglas (IBF, WBA and WBC) in 1''0, Mike Tyson (WBA) in 1''6, Moorer (IBF) in 1''7 and John Ruiz (WBA) in 2000.
3. Two years later, Chris Byrd beat him for the IBF belt.
4. Kostya Tszyu needed two attempts to hit the 10–stone light–welterweight limit at the weigh–in for his IBF title defence against Ricky Hatton in Manchester.
5. The three other belts are held IBF champion Wladimir Klitschko a native of Ukraine; WBA champion Nikolai Valuev from Russia; and WBO champion Sergei Liakhovich of Belarus.