Date Event Classification or tour World rating value Home tour rating value Strength of Field Winner's points Field size Winner Rank Aug 9 PGA Championship Major championship 824 75 899 100 156 Collin Morikawa 12 Sep 20 U.S. Open Major championship 802 71 873 100 144 Bryson DeChambeau 9 Jul 19 Memorial Tournament PGA Tour 733 70 803 76 131 Jon Rahm 2 Aug 23 The Northern Trust PGA Tour (FedEx Cup Playoffs) 718 69 787 76 123 Dustin Johnson 4 Aug 2 WGC-FedEx St. Jude Invitational World Golf Championship 714 68 782 76 78 Justin Thomas 3 Nov 15 Masters Tournament Major championship 690 71 761 100 92 Dustin Johnson 1 Jun 14 Charles Schwab Challenge PGA Tour 651 62 713 72 148 Daniel Berger 107 Jun 21 RBC Heritage PGA Tour 647 65 712 72 152 Webb Simpson 9 Feb 23 WGC-Mexico Championship World Golf Championship 605 54 659 70 72 Patrick Reed 14 Feb 16 Genesis Invitational PGA Tour 584 63 647 70 120 Adam Scott 13 Oct 25 Zozo Championship PGA Tour 579 66 645 70 78 Patrick Cantlay 14 Aug 30 BMW Championship PGA Tour (FedEx Cup Playoffs) 577 60 637 70 69 Jon Rahm 2 Jun 28 Travelers Championship PGA Tour 565 58 623 68 156 Dustin Johnson 6 Oct 18 CJ Cup PGA Tour 551 59 610 68 78 Jason Kokrak 53 Mar 8 Arnold Palmer Invitational PGA Tour 505 51 556 66 121 Tyrrell Hatton 31