Golf-Calm Storm leads McIlroy at South African Open

JOHANNESBURG, Jan 14 (Reuters) - England's Graeme Storm carded a faultless 67 for a 17-under-par total and a three-shot lead over world number two Rory McIlroy following the third round of the European Tour's South African Open on Saturday.

Jordan Smith (68) of England and home golfer Jbe Kruger (69) are a further shot back on 13 under par for the tournament.

Storm, who has a single tour victory to his name at the French Open in 2007, sunk five birdies and has now gone 41 holes since last dropping a shot.

McIlroy, who has been suffering with back pain this week, was left frustrated by another poor finish to his round of 67. After bogeying 17 and 18 on Friday, he dropped a shot again on the…