Sentry Tournament of Champions: Lost to Justin Thomas in a three-hole playoff at the Sentry Tournament of Champions, falling to 2-2 for his career in playoffs. Marked his sixth career runner-up on TOUR and first since the 2018 Valspar Championship. Became the first player since the tournament moved to The Plantation Course at Kapalua in 1999 with 100 putts or fewer in a single year (99). One-Putt Percentage of 62.50 percent was the best on TOUR since Bud Cauley at the 2018 RBC Heritage (65.28%).

PGA Championship: Angling to become just the second player to successfully defend a PGA Championship crown (Tiger Woods, 2000 and 2007), posted back-to-back 67s on the weekend at the PGA Championship at Bellerive Country Club. At 10-under 270, finished T6. Was tied for the lead at one point Sunday, before two bogeys on his last five holes resulted in the T6 showing. Had he won, he would have become the first player to win the week before winning a major championship title since Rory McIlroy in 2014 (WGC-Bridgestone Invitational, PGA Championship).
Advanced to the FedExCup Playoffs for the fifth consecutive time, making it to the TOUR Championship for the fourth time in a row. Ended his season at No. 22 in the FedExCup. Made 25 cuts in 29 starts while posting 15 top-25 finishes, including four top-10s. After at least one victory in each of the four previous seasons, went winless in the 2016-17, with a best result of T2 at the PGA Championship. Played for the U.S. Presidents Cup team at Liberty National, going 3-1-1, losing to Louis Oosthuizen in Sunday's Singles.

Justin Thomas, in full,Justin Louis Thomas, (born April 29, 1993, Louisville, Kentucky, U.S.), American golfer who, in 2017, won his first "major" at the 99th PGA Championship at Quail Hollow Club in Charlotte, North Carolina, becoming just the fourth golfer before his 25th birthday to win a major and register five victories in one season. (The other golfers were Jack Nicklaus, Tiger Woods, and Jordan Spieth). At the season ending Tour Championship, he finished second, earning him enough points to win the coveted FedEx Cup and its $10 million bonus. He was named PGA Player of the Year for 2017.
Later in the month, Rahm won the CareerBuilder Challenge after a sudden death playoff with Andrew Landry, for his second career PGA Tour victory. After matching scores on the first three extra holes, Rahm prevailed with a birdie on the fourth extra hole. The win lifted Rahm to a career high 2nd in the world rankings.[26] This made it four wins in just 38 professional starts for Rahm – a ratio bettered only by Tiger Woods in the past 30 years.[27]
Sentry Tournament of Champions: Defeated Patrick Reed and Xander Schauffele in a playoff to win the Sentry Tournament of Champions for the second time, earning his 12th PGA TOUR title at age 26 years, 251 days. Became the third player since 1960 to win 12 times before turning 27, joining Jack Nicklaus and Tiger Woods. Represented his third win in a six-start stretch on TOUR. Joined Stuart Appleby (3), Geoff Ogilvy (2) and Dustin Johnson (2) as players to win the event multiple times since it moved to The Plantation Course at Kapalua in 1999. Led the field in Birdies (24) and Par-3 Scoring Average (2.75). Improved to 3-1 in his career in playoffs.
World Golf Championships-Bridgestone Invitational: Finished T4 at the World Golf Championships-Bridgestone Invitational to record his second top-10 in just his third start in a World Golf Championships event, all coming this season. Notched his first top-10 of the season that did not result in a victory. His other two top-10s were both wins, at the Humana Challenge and the Cadillac Championship.
Rahm won the Ben Hogan Award in 2015 and 2016, the first player to win it twice.[5] He was also the leading individual at the 2014 Eisenhower Trophy.[6] He competed in the 2015 Phoenix Open as an amateur during his junior year, finishing tied for fifth place, three shots behind the winner.[7] On 1 April 2015, Rahm became the 28th player to be the No. 1-ranked golfer in the World Amateur Golf Ranking. His first stint was for 25 consecutive weeks, after which he surrendered it, regained it, and held it for an additional 35 weeks. His total of 60 weeks spent atop the ranking is the all-time record. While ranked No. 1 in the world, he advanced to the quarterfinals of the 2015 U.S. Amateur before losing to Derek Bard.[8]
U.S. Open: Became the fifth player in U.S. Open history to record a round of 63 in the championship, with a 9-under at the par-72 Erin Hills course, marking the 31st 63 recorded in major championship history. Posted a 3-over 75 in the final round to finish T9, becoming one of 16 players who followed a major championship 63 with an over-par round. Also become the fourth of five players who recorded 63 in a U.S. Open to produce an over-par round to follow (Vijay Singh/2003/72, Jack Nicklaus/1980/71, Tom Weiskopf/1980/75, Johnny Miller/1973/final-round). T9 was his first top-10 result in a major championship in his eighth major start.
Zurich Classic of New Orleans: Teamed with Ryan Palmer to claim his third TOUR victory at the Zurich Classic on New Orleans. At 26-under 262, posted a three-stroke win over Sergio Garcia/Tommy Fleetwood. Team sat T17 after first-round 64 in Four-ball format but captured solo lead through 36 holes at 15-under following a 7-under 65 in Foursomes, the first score of 65 or lower at the event in that format. Went on to share the 54-hole lead with Scott Stallings/Trey Mullinax. Only previous appearance at the event before victory was a missed cut with Wesley Bryan in 2018.
Only three weeks later, on July 9, 2017, Schauffele recorded his first PGA Tour victory at the Greenbrier Classic. He started the final round three shots behind leader Sebastián Muñoz, who had led since the first round. Schauffele shot a 3-under-par 67, which included two birdies in his final three holes, to win by one stroke over Robert Streb. With the win, he earned exemptions into the Open Championship, via the Open Qualifying Series, the PGA Championship and the 2018 Masters Tournament.
After turning professional in June 2015, Schauffele entered the 2015 Web.com Tour Qualifying Tournament in fall. He was runner up in first stage at Southern Dunes GC in Maricopa, Arizona. He went on to win second stage at Oak Valley GC in Beaumont, California and ultimately earned his Web.com Tour card in the finals in Florida in a tie for 40th.[9]
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