There is a story about professional golfer Gary Player that sounds like it could have happened to you or to me. Once in a major tournament Player tried to ricochet a ball off a stone wall. "I tried to be fancy," admitted Player. The ball hit the wall where it was intended, but instead of finishing on the green, it ricocheted back and hit Player on the cheek. The force of the blow actually knocked him out cold. 

"Finally, I regained my senses," says Player, "at least a portion of them. Still groggy, I chipped onto the green and then somehow knocked the long putt into the hole. At that time, I assumed I had tied for the lead and would be in a playoff. An official then informed me that I had incurred a two-stroke penalty for impeding the flight of the ball because it had struck me. I lost th…