The LIV series, spearheaded by Norman and bankrolled by Saudi Arabia's Public Investment Fund, offers record prize money of $25 million per 54-hole event with shotgun starts and no cut.
No one ever got closer than two shots on a sun-soaked final round. Horschel closed with a 72. There were still a few nervous moments.
Mito Pereira was at 9-under 201 as he tries to become Chile's first major champion and the third player from South America.
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.
Golf legend Tiger Woods continues his comeback from severe leg injuries before this week's PGA Championship.
Players and spectators applauded Tiger Woods, a 2022 World Golf Hall of Fame inductee, in his comeback effort at the Masters.
Southern Hills last hosted a major in 2007, when Woods won the PGA Championship for the second straight year and fourth time overall.
The Masters patrons filled in every nook and cranny around the 18th green, awaiting the appearance of the man in red.
There's no doubt now that Koepka is back, and he has proved his major mettle on the toughest test the US Open can offer.
Tiger Woods made waves this week when he docked his 155-foot yacht 'Privacy' in Sag Harbor as his base of operations for the US Open.
Tiger Woods is still in the early stages of his recovery from spinal fusion surgery and unsure if he would resume his golf career.
Jack Nicklaus said Monday he believes Tiger Woods can still overhaul his record of 18 Major Championship victories.
McIlroy is bracing for the bustle that comes with a Tiger Woods pairing, but said the chance to play with a golfer he still considers a hero is worth it.
Golf ace Tiger Woods finds a lot of things to love about Riviera Country Club, but his record here isn't one of them.
Tiger Woods continues his comeback this week at Riviera Country Club, where he'll be paired with Rory McIlroy and Justin Thomas.
Woods was playing his first US tour event since missing the cut at Torrey Pines last year.
Federer overtook Tiger Woods as the highest prize money earner in individual sports, according to a list released by Forbes.
Former world number one Tiger Woods has said he is excited about making a comeback at the World Challenge in the Bahamas.
Tiger Woods pleaded guilty in a Florida court to reckless driving, the state attorney said, after police found the golf champion asleep in his Mercedes- Benz beside the road last May.