Shinnecock Hills:It has been a South African assault on the leaderboard of the US Open Golf Tournament. Retief Goosen is the third round leader at five under par, while Ernie Els is two shots back at three under. Second round leader Phil Mickelson, who started the day at minus six, finished with a three over par for the day. Sergio Garcia has emerged as the only European player in contention at one over par. Tiger Woods, attempting to win his first major in two years, is nine shots off the lead, while Indian born Swede Daniel Chopra is tied for 43rd place in his first appearance at a major.