Meanwhile , defending champion Jonathan Byrd claimed a one-shot lead after Friday 's first round of the PGA Tour 's season-opening Tournament of Champions in Hawaii . Tjaart van der Walt catches Louis Oosthuzen at the top of the Africa Open leaderboard . Hide Caption 8 of 11 Former European Tour No . 1 Retief Goosen is a shot behind going into final round . Defending champion Jonathan Byrd claims a one-shot lead at PGA Tour 's opening event .
Tjaart van der Walt catches Louis Oosthuzen at the top of the Africa Open leaderboard . Hide Caption 8 of 11 Former European Tour No . 1 Retief Goosen is a shot behind going into final round . Defending champion Jonathan Byrd claims a one-shot lead at PGA Tour 's opening event .