Nick Watney shoots a five -under-par closing round of 66 to win WGC event . Europeans climbs to third in world rankings after his 15th PGA Tour title . Overnight leader Dustin Johnson falls away with closing round of 71 to finish second . Tiger Woods shows encouraging form with a final-round 66 to finish tied for 71 .
Nick Watney shoots a five-under-par closing round of 67 to win WGC event . American climbs to 15th in world rankings after his third PGA Tour title . Overnight leader Dustin Johnson falls away with closing round of 71 to finish second . Tiger Woods shows encouraging form with a final-round 66 to finish tied for 10th .