Waste Management Phoenix Open: Won fifth PGA TOUR title at the Waste Management Phoenix Open in his 220th career start at the age of 30 years, 1 month, 21 days. Began the final round with a four-shot lead and won by two strokes after recording a double bogey and triple bogey en route to a closing 3-over 74. Became the first player since 1983 to win with both a double bogey and triple bogey or worse in the final round. Triple bogey came at No. 11 at TPC Scottsdale after he chipped his ball into the water and received an additional penalty when the ball rolled back into the water after he had placed it back into play. Marked the second time of seven occasions he converted a 54-hole lead to victory.
Lowry missed the first three cuts of his professional career, but had his first payday on 5 July, when he finished 50th at the Open de France ALSTOM.[13] He had his best professional result in November 2009, when he finished 3rd in the Dunlop Phoenix Tournament in Japan.[14] In January 2010, Lowry finished in fourth place in the Abu Dhabi Golf Championship,[15] moving him into the top-100 of the Official World Golf Ranking.[16]
Hero World Challenge: After beginning the final round seven strokes out of the lead, closed with a tournament-record, personal-best 11-under 61 to win the Hero World Challenge by four strokes over Charley Hoffman. With a winning score of 18-under 270, won at the age of 28 years, 11 months and 20 days. His 61 topped the previous Hero World Challenge course record of 62, set by Albany resident Justin Rose during the final round in 2015. Prior to his 61, the previous low final-round score by a Hero World Challenge winner was 64, set on three occasions and most recently by Luke Donald in 2005. Opened his final round with seven birdies before making his first par on the par-4 eighth hole. No player has had as long a streak of birdies in an official PGA TOUR event to open a round since Joe Durant started round four of the 2005 Honda Classic with seven in a row. Added a birdie on the ninth hole to make the turn with an 8-under 28, turning a seven-stroke deficit into a two-stroke lead. His final round included 11 birdies, two more than his benchmark of nine birdies in official PGA TOUR events (final round of the Quicken Loans National in 2017). Finished the week at Albany Golf Club with 30 birdies, three more than his highest total in official PGA TOUR events (27 – 2017 Houston Open). Recorded his sixth top-six finish at the event in his sixth start (1/2017, T3/2016, 3/2015, T6/2014, T4/2012, T6/2011).
Immediately after the Masters in mid-April 2016, DeChambeau turned professional and signed a long-term agreement with Cobra-Puma Golf.[9] He made his pro debut days later at the RBC Heritage in South Carolina and tied for fourth, earning over $259,000.[10][11] The decision to turn professional meant the forfeiture of his exemptions to the U.S. Open at Oakmont and Open Championship at Royal Troon; he qualified his way into the U.S. Open, tied for fifteenth place for over $152,000,[12] and improved his world ranking to 148.
OHL Classic at Mayakoba: Birdied two of his last three holes at the OHL Classic at Mayakoba to fire a final-round 67 and finish in 2nd place, one shot back of Patton Kizzire. In his first start at the event, opened with a bogey-free, 6-under 65 to sit three back of Kizzire's lead. Followed with three-consecutives rounds of 67 in rounds two through four, resulting in a score of 18-under 266. Due to inclement weather Saturday, played his final two rounds on Sunday.
THE PLAYERS Championship: A week after collecting his first PGA TOUR victory, nearly became the first player since David Duval (1997) to post first two TOUR victories in back-to-back weeks, finishing T2 at THE PLAYERS, two strokes behind winner Matt Kuchar. Holed a birdie attempt from 21 feet, 7 inches on the par 3 17th in the final round to move to 11-under but couldn't convert a 7-foot, 7-inch birdie on No. 18 that would have given him the clubhouse lead at 12-under. Recorded his fifth career runner-up finish on TOUR in his 73rd start. His T2 performance came in his third start at THE PLAYERS and first in which he made the 36-hole cut. Moved into contention with a 66 in the third round, a career low at TPC Sawgrass. Entered the final round three shots off the 54-hole pace.
In June 2015, he became the first SMU Mustang to win the NCAA individual championship, recording a score of 280 (−8) to win by one stroke.[3] In August, he won the U.S. Amateur title, defeating Derek Bard 7 & 6 in the 36-hole final. He became the fifth player to win both the NCAA and U.S. Amateur titles in the same year, joining Jack Nicklaus (1961), Phil Mickelson (1990), Tiger Woods (1996), and Ryan Moore (2004).[2]
Lowry received his first call-up to the full Australia squad for a friendly against the Netherlands in Sydney and the Asian Cup qualifier against Oman in Melbourne in October.[65] He did not play in either match.[66][67] On 11 May 2010 he was selected as part of Pim Verbeek's 30-man provisional squad for the 2010 World Cup,[68] and travelled to South Africa, but was not included in the final 23-man World Cup squad.[69] Lowry was named in Han Berger's 18-man squad for an August 2010 friendly against Slovenia, but he did not appear in the match.[70][71]
World Golf Championships-Accenture Match Play Championship: In his fourth consecutive start at the World Golf Championships-Accenture Match Play Championship, fought his way to the semifinals Sunday morning against Ernie Els. Got off to a hot start, leading for seven of the first nine holes. With a shift of momentum, Els battled back and won three consecutive holes (Nos. 10-12) to gain a 2-up lead. Following an eagle and par on Nos. 13 and 14, he squared up the match. An Els birdie-3 at No. 18 sent the match to extra holes. A birdie-3 at the 19th hole (No. 1) gave him the upset win over Els.
Quicken Loans National: Starting the final round of the Quicken Loans National seven shots back, the Quicken Loans ambassador recorded a career-best nine birdies to post his low round of the week, a 5-under 65 to finish T3. Marked his third top-five in his last four starts. Chances for victory took a serious hit with a double bogey (the only one of the final round) on No. 14, the easiest hole in the final round. Marked second top-three finish in six starts at the Quicken Loans National (2015-2nd).

the Memorial Tournament presented by Nationwide: Erased a five-stroke deficit in the final round and briefly held the lead before eventually shooting a final-round 70 to finish runner-up in the Memorial Tournament, three shots behind Jason Dufner. Hit a 350-yard drive on the 72nd hole and had just 136 yards to the pin when play was called for inclement weather for the second time during the final round. When play restarted, he made a costly bogey at the last to fall into a tie for second. Ranked No. 1 in fairways hit for the week with 45 of 56. Was also 8 of 11 in sand saves to rank first for the week.
Deutsche Bank Championship: Shot a final-round 3-under 68 to come from one shot back and defeat third-round leader Henrik Stenson at the Deutsche Bank Championship, good for his third career PGA TOUR victory. Earned the win at age 26 years, 8 months, 25 days in his 150th career start. Collected 2,000 points and moved from No. 22 to No. 3 in the FedExCup standings. Has come from behind to win all three of his PGA TOUR events, with his first two wins via playoffs (2012 Wells Fargo Championship and 2015 PLAYERS Championship). Became the sixth consecutive come-from-behind winner at TPC Boston.
Masters Tournament: Finished runner-up at the Masters, one stroke behind Patrick Reed, for his best result at the event. For the first time in eight starts at Augusta National, recorded four par-or-better rounds (70-72-65-67). Earned his third runner-up in a major (2nd/2018 Masters Tournament, T2/2014 The Open Championship, T2/2014 U.S. Open) and third top-five in the last four (2nd/2018 Masters Tournament, T5/2017 Open Championship, T5/2017 U.S. Open). With third-round 65, was one of just four players to post a bogey-free round during the week (Rory McIlroy/65, Jon Rahm/65, Si Woo Kim/65) with all four occurring in the final round.

On July 16, 2017, DeChambeau earned his first PGA Tour victory by winning the John Deere Classic by a single stroke over Patrick Rodgers. He carded a round of 65 in the final round to win his maiden title in his 40th start on tour. The win coming the week before, gained DeChambeau a place in the 2017 Open Championship, where he missed the cut after rounds of 76–77 (+13).
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