This footage has been shown on Sportscenter, Sportsnation and a few NBC affiliates. 5 10 Sir Isaac wins his 4th straight Houston Rockets Blacktop Battle Dunk Contest in front of judges Patrick Beverly and Thomas Robinson. Beverly called it one of the best dunk contests he has ever seen. Shout out to Jay who is new on the dunk scene but might already be one of the best off 1 foot dunkers in the world.