French streetballer Guy Dupuy one ups NBA Slam Dunk champ Blake Griffin with an incredible dunk at an And 1 Live Streetball Tour event in Poland. Like Griffin, Dupuy jumps over a car, but he adds a J.R. Rider between-the-legs trick to it [see video below]. The result: c'est magnifique.
If you're looking to increase your hops, check out STACK blog posts How to Improve Your Vertical Jump and Dwyane Wade's Exercise for Increasing His Vertical Jump.
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