Hunter Mahan climbs up to a career - high fourth in golf 's world rankings . American becomes the PGA Tour 's first two - time champion of the 2012 season . `` I was n't reaching my potential , in a way . His one - stroke victory at the Houston Open boosts his hopes of a first major . The 29-year - old comes into the Masters this week with a new mental approach .
Hunter Mahan climbs up to a career - high fourth in golf 's world rankings . American becomes the PGA Tour 's first two - time champion of the 2012 season . His one - stroke victory at the Houston Open boosts his hopes of a first major . The 29-year - old comes into the Masters this week with a new mental approach .