Shane Lowry didn’t know what to make of the mural at first. He doesn’t look at himself as someone worthy of being celebrated as a national hero.

A mural of Shane Lowry holding aloft the claret jug adorns the side wall of a house just across the road from Royal Portrush.

PORTRUSH, Northern Ireland — Shane Lowry believes he’s figured out a formula to excel in the biggest tournaments, like this week’s British Open at Royal Portrush, where he won the Claret Jug in 2019.