'' Friday , March 11 , 2011 '' Scoring proved more difficult in the second round as high winds returned to the Doral course . The low round of the day was Aaron Baddeley 's 66 . Hunter Mahan retained his one shot lead after a steady 71 , with Martin Kaymer and Francesco Molinari a shot further back . This meant that the three leading players at the halfway stage were the World Number One , and the winners of the previous two stroke play-format WGC events . Ryo Ishikawa , who started the round in second place , shot a four-over-par 76 on the day his home nation of Japan was devastated by an earthquake and tsunami
earthquake and tsunami
2011 Tōhoku earthquake and tsunami
2011 WGC-Cadillac Championship