(Reuters) - American Bubba Watson carded a flawless course record-equalling nine-under-par 63 and stormed to a two-stroke lead over Englishman Paul Casey after the third round at the Hero World Challenge in the Bahamas on Saturday. The dual Masters champion, boosted by an early eagle, added seven birdies to post a 19-under 197 total at Albany Golf Club in New Providence. Watson was caught by surprise by his eagle, with a seven-iron from 169 yards at the par-four fourth. More...