Oscar de la Hoya (left) and Floyd Mayweather clash in Las Vegas on 5 May and the fight will be shown in 176 countries

Six-weight world champion De la Hoya is less than amused as Mayweather highjacks proceedings in New York

Mayweather, the WBC welterweight champion, will be challenging for De la Hoya's WBC light middleweight crown

Mayweather, himself a world champion at four weights, calls De la Hoya a "pussy" and says he will "bust his ass"

In response, De la Hoya calls Mayweather's behaviour "irritating" and likens the Michigan native to a "Chihuahua"

De la Hoya, 34, and Mayweather, 29, will be involved with much more shenanigans in the long build-up to the fight