With Floyd Mayweather Jr v Conor McGregor approaching, BBC Sport speaks to the people who know 'The Notorious' in his home city of Dublin.
OJ Borg visits Ireland to find out how Conor McGregor went from the Dublin suburb of Crumlin to the bright lights of Las Vegas via a spectacular career in the UFC.
Carl Frampton will not fight Andres Gutierrez after his promoters were unable to arrange a new date for the bout.
Conor McGregor says he will beat Floyd Mayweather Jr inside two rounds on 26 August because of the move to 8oz gloves.
Audio & Video
Carl Frampton's partnership with manager Barry McGuigan may be close to ending, BBC Sport NI understands.
The best boxer in a generation v one of the stars of the UFC - how did the fight come about? And is it just a money-making circus?
Analysis and opinion from the BBC's boxing correspondent.
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Your guide to all the biggest fights in 2017, plus results.
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All the holders of world, British, European and Commonwealth titles.
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How to get into boxing - intense cardiovascular exercise from sparring in one of the Olympics' oldest sports.