The early wave has the advantage. Rain has arrived at Royal Portrush, just as World No. 1 Scottie Scheffler hits the course. It's spotty around the course — it's pouring at 18, where Rory McIlroy is trying to finish — but clearly those already in the clubhouse — including leader Brian Harman — are the beneficiaries.

Rory McIlroy will play the weekend at a Royal Portrush Open. But to contend, he'll need to straighten out his driver.