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The trash-talking duo, who first locked horns with each other at UFC 196, where scheduled to have a second fight at UFC 200.

However, their highly-anticipated second encounter was scrapped in April as McGregor refused to travel to Las Vegas to take part in promotional events for the card.

The UFC brass have been hard at work trying to re-book a rematch between the pair but have so far failed to do so.

MMA fans are desperate to see McGregor and Diaz, 19-3 and 19-10 respectively, face each other for the second time and put on another classic fight.

White, as well as the rest of the UFC brass, is eager to give UFC fans what they want but admits he doesn't know if he'll be able to deliver.

"Conor is obsessed with this rematch," White told SportsCenter host Cari Champion.

"I don't know why, but he is. It's just his type of personality.

(Image: GETTY)

"He's obsessed with it. He's obsessed with fighting Diaz again, at 170 pounds."

He continued: "I don't know if that will ever happen, but I'm trying."