Dunking is an art. The way players are able to twist and turn their bodies in mid-air while still managing to throw the ball through the hoop is a skill exclusive to only a select few. Similarly, every year, a handful of ballers are given the opportunity to entertain us with their aerial displays in the NBA Slam Dunk Contest. While the last couple of seasons have been underwhelming, in terms of execution and star value, we must recognize the ones that came before who creatively continued to raise the bar and advance the competition to where it is today.

With the 2013 Slam Dunk Contest coming up this Saturday, we take a look at the best players and displays throughout the history of the competition. From Julius "Dr. J" Erving starting the free-throw line leap trend to Vinsanity's aerial assault, here are the 30 Best Slams in NBA Dunk Contest History.

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