Conor McGregor returns to the cage for the first time in over a year tonight when he takes on Dustin Poirier. The rivals will lock horns for the second time having first met as featherweights back in 2014.
On that occasion, McGregor needed less than two minutes to stop his opponent - and has promised an even more explosive finish tonight.
The two men have enjoyed contrasting fortunes since they last touched gloves but both know victory tonight will move them a step closer to winning the lightweight title.
There is also plenty of action on the rest of the card with Michael Chandler making his UFC debut against Dan Hooker. Here is everything you need to know about the fight...
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