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. 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).
The Open Championship: Playing in the final group Sunday for the second straight time in a major championship, made a solid bid for the title, at The Open Championship, with a final-round, 5-under 67. Along with Garcia, finished second to Rory McIlroy by two strokes. With his finish at Royal Liverpool GC, became the only player of the season to claim top-five finishes in the year's first three major championships. He also became the first player to claim top-10 finishes in a season's first three majors since Woods achieved the feat in 2005. His T2 at Royal Liverpool supplanted his previous-best Open Championship finish (in four starts) of T5 in 2011. Rounds of 69-69-68-67 made him the only player in the field to post all four rounds in the 60s.
Lowry started his youth career with Australian club ECU Joondalup. He signed for Aston Villa in February 2005 along with fellow Australian Chris Herd. Lowry made nine appearances for Aston Villa Reserves in the 2006–07 season, mainly coming near the end of the campaign. Lowry was also part of the squad that won the HKFC International Soccer Sevens in May 2007. In June 2007, Lowry signed a 12-month deal to his contract.
In July 2011, Fowler tied the 54-hole lead at the AT&T National, but an early double bogey on Sunday derailed his opportunity for his first PGA Tour win. Two weeks later Fowler finished tied for 5th in The Open Championship at Royal St George's. In August, Fowler finished in a tie for second at the WGC-Bridgestone Invitational behind winner Adam Scott, lifting him to 28 in the world rankings.
After finishing fifth in the Hyundai Tournament of Champions in Hawaii, Fowler claimed his first victory of 2016 in the Abu Dhabi HSBC Golf Championship on the European Tour. He shot a final round of 69 to finish one clear of Belgium's Thomas Pieters. Two weeks later, Fowler was in contention to win again but lost out to Japan's Hideki Matsuyama in a playoff at the Waste Management Phoenix Open. On March 7, Fowler sparked fantastic scenes after sinking a hole-in-one with fellow tour pro Luke Donald's pitching wedge to win $1 million for Ernie Els' charity, Els for Autism.
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.