MMA fighter Timothy Woods lost his CES MMA 48 middleweight bout against Tim Caron in the first round after he knocked himself out.  

Woods hit his forehead on the mat attempting a takedown of Caron.  He was unconscious for several minutes and left the cage on a stretcher.

Sometimes the only person who can truly beat you, is you.  He might want to try inflicting a little damage on his opponent next time.