England’s Brian Davis took the first-round lead in the RBC Heritage, while Jason Day and Marc Leishman kept the Australian flag flying high in Hilton Head Island, S.C.Four days after countryman Adam Scott became the first Australian to win the Masters, Day and Leishman shot 4-under 67 to finish two strokes behind Davis on Thursday at Harbour Town.Davis lost a playoff to Jim Furyk in 2010 at Harbour Town after calling a penalty on himself. This time, the Englishman birdied eight of his final 14 holes for a 65 to pull past Day and Leishman, who were back in contention after falling short Sunday at Augusta National.Kevin Streelman and Charley Hoffman were a stroke behind Davis at 66, while Johnson Wagner also shot 67. U.S. Open champion Webb Simpson led a large group at 68.Masters champion Scott is taking the week off, as are the world’s top two players in Tiger Woods and Rory McIlroy.LPGA TourDefending champion Ai Miyazato had five birdies in a late six-hole stretch Thursday at wind-swept Ko Olina to top the leader board in the second round of the LPGA Lotte Championship in Kapolei, Hawaii.The Japanese star, a nine-time winner on the LPGA Tour who has committed to play in the North Texas Shootout next week in Irving, shot a 4-under 68 to reach 9-under 135.Suzann Pettersen was a stroke back with nine holes left in her afternoon round. The Norwegian was 1 under for the round after opening with a 65 in calmer conditions Wednesday.Second-ranked Stacy Lewis was 6 under after a 71. She played the first two rounds with Miyazato.Top-ranked Inbee Park, coming off a victory two weeks in the Kraft Nabisco Championship, was 3 under after a 71.European TourChile’s Felipe Aguilar, Denmark’s Morten Madsen and France’s Gary Stal shot 4-under 68 at Parador de El Saler to share the first-round lead in the Spanish Open in Valencia, Spain.Gonzalo Fernandez-Castano was in the group a stroke back, and fellow Spanish star Sergio Garcia opened with a 72 that included a double bogey on the par-3 fourth hole. Spain’s Miguel Angel Jimenez had a 76 in his return to competition after breaking his leg skiing in December.American Peter Uihlein shot 70.