Filed under: News , UFC , Videos Nick and Nate Diaz ’s sit-down with renowned chef, world traveler and UFC fan Anthony Bourdain could be headed to TV screens in the spring. The UFC stars, along with their longtime friend and training partner Gilbert Melendez , explored vegan cuisine with Bourdain for an episode of CNN’s “Parts Unknown,” Diaz manager Lloyd Pierson told MMAjunkie. The travel show features Bourdain as he explores cultures and cuisine from around the world, interviewing notable figures and everyday people about their lives. “I ain’t surprised motherfucker ” @NateDiaz209 @gilbertmelendez @nickdiaz209 . pic.twitter.com/Wg6tMoaJnf — Anthony Bourdain (@Bourdain) September 18, 2016 Over the weekend, Bourdain tweeted  a picture with the fighters grubbing at an unknown restaurant. The Diaz brothers are longtime vegans and advocate a plant-based diet as part of a healthy lifestyle