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Published 15:29 21 Jan 2016 GMT
Updated 15:40 21 Jan 2016 GMT

"I think it's still early on in Conor McGregor's career. I don't know how long a UFC career will go but if you go for 10 or 15 years, as the likes of Messi, Ronan O'Gara or I have done, I think over that period of time it is very very hard to maintain a really high standard of lack of self-doubt. "It's different in the fight game where it has to be all bravado and you have to be all front. "No one knows the true inner thoughts of what Conor McGregor is thinking. Only Conor McGregor does. "I'd say John Kavanagh his coach, doesn't even know that. Only Conor knows. And fair play to him if he believes everything that he's saying."We now know what Messi thinks about cold, wet nights at the Britannia Stadium. Someone needs to ask him a Conor McGregor question soon. 'An Irishman Abroad' is available on iTunes and Soundcloud and the full O'Driscoll interview will be released on Sunday.
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