Westwood retains title at Sun City

Lee Westwood finished with two bogeys and a 1-over 73 but still held off Robert Karlsson for a two-shot win at the Nedbank Golf Challenge on Sunday.The No. 3-ranked Westwood retained his Sun City title with a 15-under 273 total after just two birdies on the final day. He dropped three strokes over the back nine but a seven-shot lead heading to the last round gave the Englishman enough of a cushion.Westwood threw his ball into the galleries on No. 18 after beating out Swedens Karlsson (68), who made seven birdies in a final-round charge but also dropped shots at Nos. 1, 8 and 15.American Jason Dufner (69) tied for third with Graeme McDowell (70) on 11 under, while top-ranked Luke Donald was 10 shots off the pace on his return from a five-week layoff.