McIlroy didn't play his best Thursday at Royal Portrush but shot 1-under 70 and is three shots off the 18-hole lead.

Rory McIlroy shot 1 under Thursday at Royal Portrush, a better start than the first time he played the British Open at the Northern Ireland course near home.

So here is our final major big board of the year, ranking the top 30 golfers in the field. This is not simply the 30 best golfers in a vacuum. These are the 30 golfers that our crack team of Gabby Herzig, Hugh Kellenberger and Brody Miller believe are best suited to win this week at Royal Portrush.

The crowds of Northern Ireland appreciate good golf, and good golfers, but no one had as big of a reception as the native son. And Rory McIlroy gave them plenty to cheer for — with potential for even more over the next three days at the Open.

World number one Scottie Scheffler was one stroke adrift, and Rory McIlroy scrambled to a 70 after a rollercoaster round in which he bogeyed the first hole and fought back to three under before fading on the back nine.

Jason Sobel on the oldest tradition at the Open Championship, betting, and how it is more enjoyable than ever.

ROYAL PORTRUSH — The Masters took four days to drain the Rory McIlroy fan base of emotional resource. Northern Ireland might well run out of tranquilisers come Sunday should McIlroy get that far. No eight on the card, yet, but tumult aplenty on the opening day in Portrush.