Justin Thomas never could have dreamed how it all played out, a chaotic final hour of pressure moments, clutch putts and unimaginable heartache for Mito Pereira.
Rory McIlroy was in contention after a second-round 71, but things began to unravel on the sixth hole Saturday.
Mito Pereira was at 9-under 201 as he tries to become Chile's first major champion and the third player from South America.
Masters champ Scottie Scheffler headed home Friday after shooting 75, finishing at 6 over and missing the cut.
Tiger Woods wound up with a 4-over 74 on the same course where he won the 2009 PGA, leaving him weary of the cut line heading into Friday's second round.
Rory McIlroy was more interested in his own history in the majors than the peculiar heritage at Southern Hills on Thursday at the PGA Championship.
Anirban Lahiri's week kept getting better even before he reached the tee in the opening round of PGA Championship as he got to practice alongside the legendary Tiger Woods.
Only 11 former champions who are playing this week attended. Nobody misses the Masters champions dinner, Dave Stockton noted.
Golf legend Tiger Woods continues his comeback from severe leg injuries before this week's PGA Championship.
Southern Hills last hosted a major in 2007, when Woods won the PGA Championship for the second straight year and fourth time overall.