Amir Khan spoke of the great opportunity before him at the final pre-fight press conference before he faces the biggest fight of his career against WBC World Middleweight Champion Canelo Alvarez this Saturday.

Speaking to the media in Las Vegas before the biggest challenge of his career as he faces WBC World Middleweight Champion Canelo Alvarez this Saturday night, Khan looked relaxed as he joked about the upcoming US elections and spoke about the size of the task in front of him.

"He's a strong guy. A tough guy. It's been my dream to be in a big fight like this," said Khan.

"Virgil always gets the best out of me. And on Saturday, you're going to see the best Amir Khan.

"My trainer Virgil Hunter has always been there for me, on good days and bad days," Khan added.

"You never know. This could be the last fight for me and Canelo - if Donald Trump becomes president," the Bolton star joked.

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Watch the full pre-fight press conference below: