Philip Alfred Mickelson is an American professional golfer who currently plays in the LIV Golf League. He has won 45 events on the PGA Tour, including six major championships: three Masters titles (2004, 2006, 2010), two PGA Championships (2005, 2021), and one Open Championship (2013). With his win at the 2021 PGA Championship, Mickelson became the oldest major championship winner in history at the age of 50 years, 11 months, and 7 days. He is nicknamed "Lefty", as he plays left-handed.
Mickelson is one of 17 players in the history of golf to win at least three of the four majors. He has won every major except the U.S. Open, in which he has finished runner-up a record six times. In 2022, Mickelson became the only golfer who has won 3 (or more) of the 4 majors to join the Saudi-backed LIV Golf tour, leaving his PGA Tour membership of 30 years.
Mickelson has spent more than 25 consecutive years in the top 50 of the Official World Golf Ranking. He has spent over 700 weeks in the top 10, has reached a career-high world ranking of No. 2 several times and is a life member of the PGA Tour.