Fred Couples survived a double-bogey at No. 7 and shot a 1-under 71 to take the clubhouse lead at 5-under 139 after two rounds of the Masters Friday.
Vijay Singh reacts after missing a putt on the 2nd green during the second round of the Masters at Augusta National on April 12, 2013 in Augusta, Georgia. UPI/Kevin Dietsch
K.J. Choi watches a shot on the 2nd green during the second round of the Masters at Augusta National on April 12, 2013 in Augusta, Georgia. UPI/Kevin Dietsch
Bernhard Langer lines up a putt for eagle on the 2nd green during the second round of the Masters at Augusta National on April 12, 2013 in Augusta, Georgia. UPI/Kevin Dietsch