Chinese Basketball Association failed dunk stunt leaves Stephon Marbury rolling (VIDEO)

Bet you didn't know that the Chinese Basketball Association has a dunk contest. And after seeing this video, even the CBA might wonder why.

For some reason a competitor tried to leap over five standing people and couldn't even clear the first one  before face-planting under the net.

And if you were wondering what Stephon Marbury was up to, that's the former NBA star rolling with laughter on the court after the epic fail: