Scotland's Colin Montgomerie, left, and Phil Mickelson of the United States stand on the 10th hole during the first round of the British Open Golf Championship on the Old Course at St. Andrews, Scotland, Thursday, July 15, 2010. (AP Photo/Alastair Grant)

Photo by: Alastair Grant

Scotland's Colin Montgomerie, left, and Phil Mickelson of the United States stand on the 10th hole during the first round of the British Open Golf Championship on the Old Course at St. Andrews, Scotland, Thursday, July 15, 2010. (AP Photo/Alastair Grant)