Matt Kuchar shot a second-round 7-under 64 to build a two-shot lead over PGA Tour rookie Cameron Champ (62) at the Mayakoba Golf Classic in Playa del Carmen, Mexico. Kuchar, who had five straight birdies on the front nine, reached 14-under 128 . ... On her 25th birthday, Gaby Lopez recorded a hole-in-one en route to a 6-under 66 and a one-stroke lead over top-ranked Ariya Jutanugarn (71) after the third round of the Blue Bay LPGA in Hainan Island, China. Lopez aced the par-3 17th hole at Jian Lake Blue Bay Golf Club, knocking in a 7 iron from 181 yards. She reached 9-under 207 . ... Sergio Garcia saw his lead cut to a stroke after shooting a 1-under 71 in the second round of the the Nedbank Golf Challenge in Sun City, South Africa. Garcia reached 9-under 135. Louis Oosthuizen (67) was second.