A high school player in Michigan causes some serious damage with a thunderous jam. Watch the video  hear and for more info view hear.During the third quarter of the Grand Haven vs. Rockford regional game at Grandville High School, a player named Nate VanArendonk, went up for a slam dunk and came down and shattered the backboard. The game was postponed thirty minutes until athletic directors and officials decided to continue the game elsewhere .