This time it's Viper who is caught off guard.

Knox winds up to hit Viper.

This fight then becomes wild.

Viper is rolled up, but he breaks free.

Knox's face says it all, Viper is brutally attacking him.

Knox is weakening.

Viper is not letting up, but all this brutality is tiring him.

Knox gets the upper hand and works to cut off the air and blood supply to Viper's brain.

Viper is weaking.

Knox grapevines the fallen Viper.

He holds the hold long enough to make sure his opponent is out.

Knox then points at Viper...he's gotten his revenge.

Knox flexes over Viper.

At look into the camera tells all opponents to beware.