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Strikeforce heavyweight Fabricio Werdum offers some predictions for Saturday nights Strikeforce: Diaz vs. Cyborg event predicting a “submission or knockout” victory for Evangelista “Cyborg” Santos over Nick Diaz, and feels Ronaldo “Jacare” Souza’s Jiu-Jitsu will be the deciding factor against Robbie Lawler. Werdum promises a “big surprise” when he steps into the cage against Alistair Overeem in their quarterfinal bout of the Strikeforce heavyweight tournament.