(Reuters) - American Scott Piercy took the first-round lead at the Tiger-less Safeway Open in northern California on Thursday as Englishman Paul Casey put down his wine glass to trail by two strokes. Piercy, runner-up at the U.S. Open in June, found his putting touch to reel off 12 birdies for a course record 10-under-par 62 at the Silverado Resort in Napa. Casey and American Patton Kizzire carded 64. More...