Tiger Woods defies calls to retire after latest struggles at US PGA
Tiger Woods has vowed to “fight until the end” as a dispiriting performance at the 106th US PGA Championship prompted renewed calls for the 15-time major winner to retire. The 48-year-old, who won this major at this Valhalla venue in 2000, missed the cut on seven-over, with his display in finishing 133rd in a 156-man…