LONDON (Reuters) - Twice major champion Sandy Lyle is hoping world number one Rory McIlroy's decision to switch golf clubs does not result in the same sort of "kamikaze dive" in form that David Duval suffered when he made a similar move. Duval appeared to have the world at his feet when he was flying high at the top of the rankings in 1999 and won the British Open two years later. The American ...