Day 1 of the 2013 Players Championship is in the books and one of the biggest unknowns in the game is leading.
Roberto Castro, ranked 267th in the World Golf Official Rankings, opened the proceedings with a course-record tying 63. His nine-under par total was never threatened the rest of the day, the closest any one got was Rory McIlroy and Zach Johnson at 6-under par.
Tiger Woods played a superb round, going bogey-free through 17 holes before making a bogey at 18. He finished with a 67.
Thirty-three players shot rounds in the 60s, although a good forecast will insure the course gets harder and faster over the next three days.