International Boxing Federation

Unbeaten American Devin Haney fought a "smart fight" to comfortably beat Australia's George Kambosos on points Sunday and become the first undisputed lightweight world champion in modern boxing history.

He won the WBA, IBF, and WBO world heavyweight titles

He was the first heavyweight to hold the WBA, WBC & IBF belts and later became the lineal champion

Bulgarian boxer Kubrat Pulev said that the postponed match for the IBF heavyweight title with champion Wladimir Klitschko has allowed him to further improve his shape.

Initially, the game had to take place on September 6, but it was postponed due to an injury of Klitschko. The new date is November 15, and the fight will take place in Hamburg, Germany.

The fight between Bulgaria's Kubrat Pulev and Ukrainian Wladimir Klitschko is postponed, due an injury of Klitschko, reports the German daily Bild, quoted by Bulgarian media. 

Bulgarian heavyweight boxer Kubrat Pulev admitted he is eager to fight world champion Wladimir Klitschko, but his main goal is to defeat him.

The International Boxing Federation (IBF) has ruled that Ukrainian heavyweight champion Wladimir Klitschko must fight against Bulgaria's Kubrat Pulev in his next match.