The odds are stacked against Conor McGregor emerging victorious when he makes his professional boxing debut against Floyd Mayweather this weekend.

Paddy Power currently have Mayweather at 1/4 to claim the 50th straight victory of his impressive career, meaning they're giving him a roughly 80 per cent chance of beating the Irishman.

On top of the obvious gulf in professional boxing experience between the two competitors, McGregor's UFC record reveals further indications of the difficulty that he will face when he steps into the ring.

McGregor to win? Get incredible 100/1 odds, or 25/1 on Mayweather. Read more >>