Brazilian giant Antonio Silva battled former Olympic wrestler Daniel Cormier at this Saturday’s Strikeforce Grand Prix. Cormier was a replacement for Alistair Overeem, who was released from the promotion at the end of July after contract negotiations turned sour between him and Zuffa. Overeem signed with the UFC this past week, sparking controversy from fans inferring that Zuffa released him in order to sign him to their primary brand.

Check out the full Heavyweight battle below in 720p HD: