By Andrew Both AUGUSTA, Georgia (Reuters) - Billy Horschel was the victim of a bizarre incident when his ball blew off the green into a pond as he prepared to putt at the 15th green at the Masters on Saturday. Horschel's third shot, a chip at the par-five, trickled down to within 13 feet of the hole, where he marked his ball to have it cleaned for his birdie putt. The rules of golf are unyielding and severe, and Horschel had no choice but to take a penalty stroke. More...