When Rory McIlroy arrived at Royal Portrush six years ago it was meant to be a glorious homecoming for Northern Ireland's most famous sportsman but his British Open hopes lasted only two rounds.

PORTRUSH, Northern Ireland — Rory McIlroy practically had Royal Portrush all to himself Monday morning, but not for long. By the time he finished his first practice round for the British Open — his first time back on these links in 2,187 days — there was a big crowd that weathered rain and sunshine to see him finish.