Nick Diaz has worried UFC fans ahead of his return on Saturday evening after showcasing his 'slow' shadow-boxing in a viral video.
Diaz has been out of the Octagon for six years but will return at UFC 266 for a rematch with old foe Robbie Lawler.
The duo first fought all the way back at UFC 47 in April 2004, with Diaz coming out on top.
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Diaz's last fight was in 2015 and his last victory was in 2011, a decade ago.
Footage of 'Diablo' showing off his moves for a promotional piece has appeared online and many are unsure what to make of it
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The 38-year-old is known for his endurance inside the cage and his slower movement is to be expected.
But many are still cautious over seeing the fan favourite make his return.
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Despite the excitement for Diaz's clash with Lawler, the man himself has admitted he doesn't know why he's doing it.
He told ESPN: "I'm going in there to win. "Do I feel confident? I never do. I never have.
"I always feel like I'm going to get trashed out there. Every fight I've ever done.
"'How do you feel against Robbie Lawler?' I feel like I'm going to get the sh*t beat out of me. And even when I win, I get beat up worse."
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Diaz then revealed that he'd much rather be facing UFC welterweight champion Kamaru Usman.
"I think I'll beat the sh*t out of Usman," the elder Diaz brother added.
"I'll have a better shot against Usman than I do Lawler, just because I already beat Lawler.
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"This doesn't make sense for me to go in and fight Robbie Lawler again. I don't know why I'm doing this... This should not happen.
"Whoever set this up is an idiot. I don't know why I'm doing this. I don't know why this happened. I should be fighting Kamaru Usman - and that's it."
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