Justin Rose took advantage of Dustin Johnson's meltdown on the last day of the Shanghai tournament. Ross Kinnaird / Getty Images
Justin Rose took advantage of Dustin Johnson's meltdown on the last day of the Shanghai tournament. Ross Kinnaird / Getty Images
Rose clinches WGC-HSBC Champions as Johnson implodes
Englishman, who started Day 4 joint fourth, fired final round 67 to finish 14-under-par 274 and somehow emerge victorious
