Racing PositionsDavis leads Asia-Pacific Amateur, eyes Masters10YJin shoots record 62, leads Asia-Pacific Amateur11YLevy maintains 3-shot lead at China Open12YQuiros, Dyson shoot 67s, share lead in China12YJimenez: 13-year-old doesn't belong here13YGuan, 14, pulls out of qualifying for U.S. Open13YGuan OKs amateur exemption at Memorial13YBradley leads by 3 after Nelson second round13YGuan misses Nelson cut after 2nd-round 7713YYe, 12, shoots 79 on European Tour debut13Y