- Phil Mickelson aims for first U.S. Open win after record six runner-ups
- Would become only sixth player to win career grand slam
- 2006 winner Geoff Ogilvy says left-hander still capable of U.S. Open win
- Mickelson says 2013 second place at Merion was toughest to take
(CNN)It's become his nemesis over the years, his final unclimbed peak in golf, and perhaps the one trophy he covets too much.