During a NIKE exhibition game in 1985, Michael Jordan took off from inside the free throw line and proceeded to shatter the backboard with a one-handed dunk. Enjoy the video:
The description reads:
Trieste (Italy) August 25 of 1985,Stefanel Trieste vs Juve Caserta, Nike exhibition game with Michael Jordan scores 30 points and shattering the backboard with a dunk producing courteous in the wrists to a player of the rival equipment,i recorded it in the year 1986 in a sports program of the Spanish television,i can promise you that this video is absolutely real.