By Mark Lamport-Stokes DUBLIN, Ohio (Reuters) - While Rory McIlroy suffered a nightmare start, South African Charl Schwartzel regained welcome form with his putter to charge into an early one-shot lead in Thursday's opening round at the Memorial Tournament. Former Masters champion Schwartzel changed his putting grip after just four holes at a sun-drenched Muirfield Village Golf Club, the move ...
