Nick Dunlap is one of the youngest golfers to win on the PGA Tour. The 20-year-old won The American Express 2024 last week and became the first amateur golfer to win the PGA Tour since Phil Mickelson in 1991.Moreover, Dunlap is the second-youngest winner on the PGA Tour since World War II and the youngest amateur player to win a PGA tournament since 1910. According to Golf Week, Chunk Kocsis, who won the 1931 Michigan Open as an amateur at the age of 18 years, six months, and nine days, is the youngest golfer to win a PGA Tour event.Harry Cooper was reportedly the youngest professional to win a PGA Tour event when he clinched the trophy of the 1923 Galveston Open Championship four days after his 19th birthday. Chris Evans won the 1910 Western Open as an amateur when he was 20 years, one month, and 15 days old. Nick Dunlap is the youngest amateur golfer since Evans's victory in 1910.Jordan Spieth, meanwhile, is the youngest golfer to win on the PGA Tour since 1970. He won the 2013 John Deere Classic as a professional at the age of 19 years, 11 months and 18 days.Here is a list of the youngest PGA Tour winners over the years (via Golf Compendium):Chuck Kocsis (amateur)Tournament: 1931 Michigan OpenAge: 18 years, 6 months, 9 daysHarry CooperTournament: 1923 Galveston Open ChampionshipAge: 19 years, 4 daysRalph GuldahlTournament: 1931 Santa Monica OpenAge: 19 years, 2 months, 3 daysJordan SpiethTournament: 2013 John Deere ClassicAge: 19 years, 11 months, 18 daysGene SarazenTournament: 1922 Southern (Spring) OpenAge: 20 years, 5 daysNick Dunlap (amateur)Tournament: 2024 American ExpressAge: 20 years, 29 daysChick Evans (amateur)Tournament: 1910 Western OpenAge: 20 years, 1 month, 15 daysJoohyung "Tom" KimTournament: 2022 Wyndham ChampionshipAge: 20 years, 1 month, 17 daysRalph GuldahlTournament: 1932 Arizona OpenAge: 20 years, 2 months, 9 daysMatthew WolffTournament: 2019 3M OpenAge: 20 years, 2 months, 23 daysJoohyung "Tom" KimTournament: 2022 Shriners Children's OpenAge: 20 years, 3 months, 18 daysPhil Mickelson (amateur)Tournament: 1991 Northern Telecom OpenAge: 20 years, 6 months, 28 daysTiger WoodsTournament: 1996 Las Vegas InvitationalAge: 20 years, 9 months, 6 daysTiger WoodsTournament: 1996 Walt Disney World ClassicAge: 20 years, 9 months, 20 daysJoaquin NiemannTournament: 2019 A Military Tribute at The GreenbrierAge: 20 years 10 months 8 daysSeve BallesterosTournament: 1978 Greater Greensboro OpenAge: 20 years, 11 months, 24 daysRory McIlroyTournament: 2010 Quail Hollow ChampionshipAge: 20 years, 11 months, 28 daysPGA Tour amateur winners over the yearsSeven amateur golfers have won on the PGA Tour since 1945, when Cary Middlecoff won the North and South Open. Three amateur golfers won PGA Tour events in 1945, including Fred Haas, Frank Stranahan, and Cary Middlecoff.Nick Dunlap is the eighth amateur golfer to win on the PGA Tour since the end of World War II.Here is a list of the amateur golfers who have won on the PGA Tour since 1945:Cary Middlecoff: 1945 North and South OpenFred Haas: 1945 Memphis InvitationalFrank Stranahan: 1945 Durham War Bond TournamentFrank Stranahan: 1946 Kansas City Invitational Victory Bond Golf TournamentFrank Stranahan: 1946 Fort Worth InvitationalFrank Stranahan: 1948 Miami OpenGene Littler: 1954 San Diego OpenDoug Sanders: 1956 Canadian OpenScott Verplank: 1985 Western OpenPhil Mickelson: 1991 Northern Telecom OpenNick Dunlap: 2024 The American Express