Will Jake Shields be Georges St. Pierre’s toughest opponent to date?

When Jake Shields beat Dan Henderson to a unanimous decision at Strikeforce: Nashville last year I was shocked, did he ever prove me wrong. At the time Hendo left the UFC fresh off his devastating KO victory over Michael Bisping and was the heavy favorite against the Jake Shields in his Strikeforce debut. Before he defended his Middleweight crown against Dangerous Dan, Shields fought for the at the time vacant Strikeforce belt against Jason Miller in a grappling clinic put on between the two and in the end