(Reuters) - Former world junior champion Grayson Murray made a tap-in birdie at the final hole to earn a two-shot lead after the second round of the Sanderson Farms Championship in Mississippi on Friday. Murray, a 23-year-old from North Carolina in just his second start as a PGA Tour member, notched eight birdies in a seven-under-par 65 at the Country Club of Jackson. Before turning professional last year, Murray compiled an impressive amateur resume, winning his junior world championship division three years in a row to join an elite list of three-time champions that includes Eldrick Woods, now better known as Tiger. More...