Dubliner Conor McGregor insists that he will outclass American Chad Mendes in Saturday night's Ultimate Fighting Championship interim world featherweight title bout in Las Vegas.
Mendes, 30, was a late replacement for Brazilian world champion Jose Aldo who pulled out of the contest two weeks ago because of injury.
A crowd of 10,000 - including a large Irish contingent - are expected to watch the bout at the MGM Grand hotel and the contest is expected to generate a gate of over $7m dollars which will be the largest in UFC's short history.
"I don't just talk the talk. I walk the walk," said the brash McGregor, 26, whose nickname is 'The Notorious'.
"He will learn that first hand on Saturday night. I am confident every shot I throw will mess him up," added the Irishman who won two Cage Warriors world titles before moving into the UFC arena.