Phil Mickelson is an American professional golfer who has won 44 events on the PGA Tour, including five major championships: three Masters titles (2004, 2006, 2010), a PGA Championship (2005), and an Open Championship (2013). He is one of 16 players in the history of golf to win at least three of the four professional major championships. He has been described as one of the greatest golfers of all time.