Year and Host City: 1988, Chicago

Before it became the joke that it is today, the slam dunk competition was kind of a big deal. No, a really, really, really big deal. In the 1987 edition, Michael Jordan and Dominique Wilkins battled it out for the second of three times to see who was the best leaper in the NBA. On his 3rd and last dunk of the evening, Jordan showed where the Air Jordan moniker came from.