McGregor: 'I'm going to shock boxing world'

UFC champion Conor McGregor says he is going to "shock the boxing world" by beating five-weight boxing world champion Floyd Mayweather.

Speculation has intensified the pair are to fight in Las Vegas in June, although it has not been officially announced.

Irishman McGregor, 28, said: "No-one in this boxing game knows what's coming.

"When I go in there I am going to shock the whole damn world."

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