GOLF: McIlroy changes clubs for South African Open

Rory McIlroy of Northern Ireland plays a shot on the first hole during the third round of the World Golf Championships-Cadillac Championship at Trump National Doral Blue Monster Course

World number two Rory McIlroy tees off Thursday in the South African Open hoping a change of clubs will not trigger a loss of form.

The last time the 27-year-old from Northern Ireland made his seasonal debut with new equipment was four years ago, and he initially struggled to adapt.