Mickelson of the U.S. sinks a birdie putt on the 18th green as caddie Mackay watches during third round...
Phil Mickelson of the U.S. (R) sinks a birdie putt on the 18th green as caddie Jim Mackay watches during third round play in the 2012 Masters Golf Tournament at the Augusta National Golf Club in Augusta, Georgia, April 7, 2012. REUTERS/Phil Noble (UNITED STATES - Tags: SPORT GOLF)