Ahead of UFC 279: Chimaev vs. Diaz, Nate Diaz's coach, Cesar Gracie, speaks to Submission Radio about Khamzat Chimaev vs Nate Diaz, the notion that this is a punishment for Nate for leaving the UFC, why Nate may return to the UFC in the future, how Jake Paul may not even be Nate's next fight and how other boxers are putting their hands up, where Nate Diaz beats Khamzat Chimaev, his analysis of the Gilbert Burns fight with Khamzat, Nick Diaz's return to the UFC, the real reason why Nick Diaz fought Robbie Lawler at UFC 266, who he'd like to see Nick fight next, Nate Diaz having a baby, and more!