Became just the second golfer from the Republic of Ireland to claim a Major Championship title - after Padraig Harrington - in 2019 courtesy of a six-stroke triumph at The 148th Open at Royal Portrush Golf Club, where his victory sparked memorable scenes of celebration at the 18th green.
Earlier that year, he had captured his first Rolex Series title at the 2019 Abu Dhabi HSBC Championship presented by EGA. The thrilling final round featured seven lead changes between he and Richard Sterne before a 72nd hole birdie sealed a one-shot victory for the Irishman. His stand-out 2019 saw him finish in a career-best fourth in the Race to Dubai.
Born in County Offaly, he shot to prominence in 2009 when he became only the third amateur to win a European Tour title by capturing the Irish Open at County Louth.
Won the 2012 Portugal Masters and then captured the first World Golf Championships title of his career at the 2015 WGC-Bridgestone Invitational.
His father, Brendan, was a famous Gaelic footballer who won the All-Ireland Championship with County Offaly in 1982.