Hunter Mahan won the Houston Open to become the first two-time winner this year on the PGA Tour, finishing with a 1-under 71 on Sunday to edge Carl Pettersson by a stroke.
Mahan, the Match Play Championship winner in February, finished at 16 under at Redstone. The victory moved Mahan to No. 4 in the world ranking, the first time he's ever been the highest-ranked American.
He earned $1.08 million for fifth PGA Tour title.
Pettersson closed with a 71 in the final tuneup for the Masters next week at Augusta National.
Third-round leader Louis Oosthuizen was another shot back at 14 under after a 75. Defending champion Phil Mickelson (71), Keegan Bradley (71), Brian Davis (74) and Jeff Overton (68) tied for fourth at 12 under.
SCIACCA, Sicily (AP) — Denmark's Thorbjorn Olesen won the Sicilian Open for his first European Tour title, closing with a 3-under 69 for a one-stroke victory over England's Chris Wood.
The 22-year-old Olesen finished at 15-under 273 on the Verdura course.
Woods matched the course record with a 64.