Claim: Phil Mickelson was runner-up in the U.S. Open six times.

Philip Alfred Mickelson -LRB- born June 16 , 1970 -RRB- , nicknamed Lefty , is an American professional golfer . He has won 42 events on the PGA Tour , including five major championships : three Masters titles -LRB- 2004 , 2006 , 2010 -RRB- , a PGA Championship -LRB- 2005 -RRB- , and an Open Championship -LRB- 2013 -RRB- .   Mickelson is one of 16 golfers in the history of the sport to win at least three of the four majors . He has won every major except the U.S. Open , where he has finished runner-up a record six times .   Mickelson has spent over 700 weeks in the top-10 of the Official World Golf Ranking , has reached a career-high world ranking of 2nd several times and is a life member of the PGA Tour . Mickelson is known for his left-handed swing , even though he is otherwise right-handed . He was inducted into the World Golf Hall of Fame in May 2012 .