Darren Clarke bounces back after a poor first round at the Joburg Open to surge up the leaderboard and move within striking distance of the halfway leaders. A second round of 65, the lowest score of the day, containing seven birdies helped move the Dungannon man to four-under, five off the current lead held by South Africa's Mark Murless. ... golf Darren Clarke Joburg Open European Tour Sunshine Royal Johannesburg Kensington Golf Club