16–19 May: PGA Championship –
Brooks Koepka won by two strokes over
Dustin Johnson for his second consecutive PGA Championship victory. He is the first player to simultaneously hold the last two titles of two different major championships (2017 and 2018 U.S. Open).[2]
13–16 June: U.S. Open –
Gary Woodland won by three strokes over two-time defending champion Koepka. It was his first major victory.[3]
15–18 August:
BMW Championship –
Justin Thomas won by three strokes over
Patrick Cantlay. His third round 61 set the course record. His win moved him top the top of the FedEx Cup rankings.[10]
28 January: It was announced that the 2019 Players Championship would include a $12.5 million purse, "the biggest prize professional golf has ever seen for a single tournament."[16]
3 March:
Dustin Johnson regains the world number one ranking from Justin Rose, one week after winning the WGC-Mexico Championship.[17]
7 April: Rose regains the world number one ranking from Johnson.[18]
14 April: Johnson returns to the number one ranking after finishing second at the Masters.[19]
19 May:
Brooks Koepka returns to the world number one ranking after winning the PGA Championship.[20]
10–13 July:
Pacific Games –
New Caledonia swept the gold medals: men's individual (Dylan Benoit), women's individual (Emilie Ricaud), men's team and women's team.[56]
8–11 August:
Pan American Games –
Fabrizio Zanotti of Paraguay took the men's gold medal in a playoff, American amateur
Emilia Migliaccio took the women's gold medal and the American team (all amateurs) took the mixed team gold medal.[57]
2–6 December:
South Asian Games – Nepal took the men's individual (Subash Tamang) and team gold medals while Sri Lanka took the women's individual (Grace Yataeara) and team gold medals.[58]
4–7 December:
Southeast Asian Games – James Leow Kwang Aik of Singapore took the men's individual gold medal while Thailand won men's team gold. The Philippines took the women's gold medals with
Bianca Pagdanganan taking the individual title.[59][60]
Deaths
1 February –
Alice Dye (born 1927), American amateur golfer and golf course designer.[61]
16–19 May: PGA Championship –
Brooks Koepka won by two strokes over
Dustin Johnson for his second consecutive PGA Championship victory. He is the first player to simultaneously hold the last two titles of two different major championships (2017 and 2018 U.S. Open).[2]
13–16 June: U.S. Open –
Gary Woodland won by three strokes over two-time defending champion Koepka. It was his first major victory.[3]
15–18 August:
BMW Championship –
Justin Thomas won by three strokes over
Patrick Cantlay. His third round 61 set the course record. His win moved him top the top of the FedEx Cup rankings.[10]
28 January: It was announced that the 2019 Players Championship would include a $12.5 million purse, "the biggest prize professional golf has ever seen for a single tournament."[16]
3 March:
Dustin Johnson regains the world number one ranking from Justin Rose, one week after winning the WGC-Mexico Championship.[17]
7 April: Rose regains the world number one ranking from Johnson.[18]
14 April: Johnson returns to the number one ranking after finishing second at the Masters.[19]
19 May:
Brooks Koepka returns to the world number one ranking after winning the PGA Championship.[20]
10–13 July:
Pacific Games –
New Caledonia swept the gold medals: men's individual (Dylan Benoit), women's individual (Emilie Ricaud), men's team and women's team.[56]
8–11 August:
Pan American Games –
Fabrizio Zanotti of Paraguay took the men's gold medal in a playoff, American amateur
Emilia Migliaccio took the women's gold medal and the American team (all amateurs) took the mixed team gold medal.[57]
2–6 December:
South Asian Games – Nepal took the men's individual (Subash Tamang) and team gold medals while Sri Lanka took the women's individual (Grace Yataeara) and team gold medals.[58]
4–7 December:
Southeast Asian Games – James Leow Kwang Aik of Singapore took the men's individual gold medal while Thailand won men's team gold. The Philippines took the women's gold medals with
Bianca Pagdanganan taking the individual title.[59][60]
Deaths
1 February –
Alice Dye (born 1927), American amateur golfer and golf course designer.[61]