We are just days from UFC 158 and the anticipation could not be bigger. Headliner Nick Diaz has decided to give us a look into how far his cardio can go. Should the fight be a 25 minute standing battle, the former Strikeforce champ has the stamina to do so. How does he prove it? By going to war on a punching bag for over 23 minutes.

Still not convinced? Check out Layzie The Savage’s recent shot of Diaz after the workout. Diaz looks to be ready for war.