By Daily Sports on July 12, 2017

Conor McGregor promised to knock out Floyd Mayweather inside four rounds when they faced off for the first time to promote their 26 August bout.

The pair appeared in front of thousands of fans at a news conference in Los Angeles - the first of four events called to promote the Las Vegas fight.

"The movement, power, ferociousness - he has not experienced this," said UFC lightweight champion McGregor, 28.

Mayweather replied: "I guarantee you're going out on your face or your back."

The former five-weight world champion, 40, said he was an "old man" but "still had enough" to beat McGregor, who has never boxed professionally.

He teased McGregor, claiming he "only made $3m in his last fight" and referenced the Irishman's submission defeat by Nate Diaz in 2016, his only loss since joining UFC three years earlier.

"We know 'Mr Tap Out' likes to quit and you will wave that white flag," added Mayweather.

•Photo shows McGregor, Mayweather face-off. 

Source Daily Sports

Posted July 12, 2017

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