This 4th of July help us find the best dunker in Philly. We've crowned 6 champions in 6 different cities and now it's Philadelphia's turn. Come to the Sprite Slam Dunk Showdown on Saturday, July 4th, at 4pm. The court will be setup on Benjamin Franklin Parkway between 21st and 22nd. Bring your cell phone so you can vote for your favorite dunker! http://nba.com/dunk http://www.facebook.com/event.php?eid=115042021806