A look at some of the best photos of Brooks Koepka during his record-setting day at Bethpage Black, where the defending PGA Champ shot a 63 to secure the first-round lead.
Brooks Koepka lines up a putt on the seventh green during the first round of the PGA Championship at the Bethpage Black course on May 16, 2019 in Farmingdale, NY. Photo by Mike Ehrmann/Getty Images
Brooks Koepka and Tiger Woods walk from the 8th tee during the first round of the 2019 PGA Championship at the Bethpage Black course on May 16, 2019 in Farmingdale, NY. Photo by Mike Ehrmann/Getty Images
Brooks Koepka chips onto the 4th green during the first round of the 2019 PGA Championship at the Bethpage Black course on May 16, 2019 in Farmingdale, NY. Photo by Mike Ehrmann/Getty Images
Brooks Koepka and Tiger Woods walk along the third hole during the first round of the 2019 PGA Championship at the Bethpage Black course on May 16, 2019 in Farmingdale, NY. Photo by Warren Little/Getty Images
Brooks Koepka walks to the 18th tee during the first round of the 2019 PGA Championship at the Bethpage Black course on May 16, 2019 in Farmingdale, NY. Photo by Jamie Squire/Getty Images
Brooks Koepka plays his second shot on the 12th hole during the first round of the 2019 PGA Championship on the Black Course on May 16, 2019 in Farmingdale, NY. Photo by David Cannon/Getty Images
Brooks Koepka reacts on the 9th green after making a birdie in the first round of the PGA Championship at the Bethpage Black course on May 16, 2019 in Farmingdale, NY. Photo by Mike Ehrmann/Getty Images
Brooks Koepka reacts to his shot from a bunker on the 13th hole during the first round of the PGA Championship at the Bethpage Black course on May 16, 2019 in Farmingdale, NY. Photo by Patrick Smith/Getty Images