U.S. Amateur champion Curtis Luck shot a 9-under 63 on Friday to help Australia open a 16-stroke lead in the World Amateur Team Championship. After lagging behind teammates Cameron Davis and Harrison Endycott in the event that counts the two best scores from the three-man teams, Luck had nine birdies in a bogey-free round at Iberostar Playa Paraiso. Davis added a 68 for a round total of 13-under 131 and three-day total of 32-under 398 , one off the 54-hole record set by the United States in 2014. More...