After capturing the first two legs of the season-ending FedEx Cup play-offs his participation at Royal Portrush was secured on being named one of Jim Furyk’s wild cards for the Ryder Cup in September.
Two months later added another victory – it took him to fifth in the world – and in January stormed to a seven-shot win in the Dubai Desert Classic. First PGA Tour title came at the 2017 John Deere Classic and last June he added the Memorial tournament by beating Kyle Stanley and An Byeong-hun in a play-off. Easily recognised by his Ben Hogan-style caps – and the fact that his clubs are all the same length - in 2015 he joined Jack Nicklaus, Phil Mickelson, Tiger Woods and Ryan Moore as the only men to win the American college title and US Amateur Championship in the same year.
Unbeaten in the 2015 Walker Cup at Royal Lytham and the season before that at the world amateur team championship his 11-birdie 61 in the third round was an Eisenhower Trophy record as America won. Also while still an amateur tied for second at the 2015 Australian Masters and came joint 21st in the 2016 Masters, turning professional immediately afterwards.