Garcia outlasted Brooks Koepka in a playoff to win the AT&T Byron Nelson, and as a result jumped three spots in the rankings to No. 12. It equals his best ranking of the year, which came after a runner-up finish at the Honda Classic in March.
Koepka also made a jump after his runner-up in Dallas, moving up three spots to No. 16. Matt Kuchar, who finished alone in third, also rose three spots to No. 20.
Two players entered the OWGR top 100 for the first time, as Bradley Dredge climbed 74 spots to No. 90 after his runner-up finish at the Irish Open and Colt Knost moved up 16 spots to No. 98 after his second top-5 finish in as many weeks on the PGA Tour.
Russell Knox, who shared second with Dredge behind Rory McIlroy in Ireland, moved up five spots to a career-best 23rd in the world.
The top 50 in this week's rankings earned exemptions into the upcoming Open Championship, while the top 60 earned spots in the U.S. Open. Jamie Donaldson was the only player not otherwise exempt to make a move, rising two spots to No. 60 after a T-10 finish in Ireland that punched his ticket to Oakmont.
Despite McIlroy's win at the K Club, the top 10 in the standings remain unchanged. Jason Day leads Jordan Spieth and McIlroy, followed by Bubba Watson and Rickie Fowler. Sweden's Henrik Stenson sits at No. 6, while Adam Scott, Dustin Johnson, Danny Willett and Justin Rose round out the top 10.
Sidelined with a back injury since August, Tiger Woods dropped another 11 spots to No. 535 in the latest rankings.