With a birdie on the par-5 16th hole, this week's Kodak Challenge hole, Jhonattan Vegas has taken a one-shot lead over Nathan Green in the first round of the Justin Timberlake Shriners Hospitals for Children Open. Vegas, playing in a city that shares his surname, has nine birdies and a bogey through 16 holes at TPC Summerlin. Tim Herron is at 6 under through 14 holes, just two shots behind Vegas with a drivable par 4 and the par-5 16th ahead of him. Also making noise in the afternoon wave are Cameron Tringale (-5/17) and William McGirt (-5/12).