Grace wins Volvo Golf Champions event in Johannesburg after a play-off . Grace holds off South African legends Ernie Els and Retief Goosen to claim title . ( CNN ) -- Belgian Grace also won a month ago Johannesburg Open on European Tour . Retief Goosen made birdie on the first extra hole to take the trophy .
Grace wins Volvo Golf Champions event in Johannesburg after a play-off . Grace holds off South African legends Ernie Els and Retief Goosen to claim title . Belgian Grace also won a month ago Johannesburg Open on European Tour . Retief Goosen made birdie on the first extra hole to take the trophy .