After Patrick Cantlay's win at the Memorial, he rose seven spots in the Official World Golf Ranking from No. 15 to No. 7, one spot off of his career best, sixth.
Collin Morikawa, who Cantlay edged out in the playoff, rose from sixth in the world to fourth, tying his career high.
Jon Rahm, who led the Memorial by six shots through 54 holes but was forced to withdraw following the third round because of a positive COVID-19 test, will remain No. 3 in the ranking.
Bryson DeChambeau, Rory McIlroy and Jordan Spieth all tied for 18th at the Memorial and DeChambeau fell from No. 4 to No. 5, McIlroy from No. 8 to No. 10, and Spieth remained at No. 23.
PGA Tour Rookie of the Year Scottie Scheffler, who was in contention during the back nine in the Memorial's final round but finished third, rose from No. 24 to No. 17, tying his career high.
Bernd Wiesberger, Ian Poulter and Charley Hoffman all cracked the top 60 ensuring a spot in next week's U.S. Open at Torrey Pines.