Was not in the world’s top 350 when he came joint-fifth on his major debut at the 2017 US Open. He began with a 66 there and three weeks later the PGA Tour rookie birdied the final hole of the Greenbrier Classic to win by one from Robert Streb.
With it forming part of The Open Qualifying Series – four places were on offer – a first appearance at the Championship was his. The victory came on only his 24th PGA Tour start and two months after coming tied 20th at Royal Birkdale, the former all-American from San Diego State University added the season-ending Tour Championship, beating newly-crowned PGA champion Justin Thomas by one.
In May 2018 he was joint runner-up at The Players, then he matched that at Carnoustie for The Open, where he was tied for the lead with a round to play, and in October he beat Tony Finau in a play-off for the World Golf Championships-HSBC Champions title in China.
His father, who has been his only swing coach, had his own dream of competing for Germany in the Olympics but the promising decathlete lost an eye in a car crash and needed six operations over the following two years.