Here are 27 dunks that have NEVER been done in the NBA Dunk Contest! There are actually 31 variations of dunks in the video but since some of them were somewhat similar to another we counted them as one. Other dunks that aren't included in this video are: The 720 (Air Up There), The Armageddon (Young Hollywood), windmill dunk from the freethrow line and between the legs from the freethrow line (Ja