The moment that surprised Rory McIlroy the most when he played the 2019 Open Championship at Royal Portrush—the first Open in his home country of Northern Ireland since 1951—was the ovation on the first tee.

Rory McIlroy is back at Royal Portrush and feeling plenty of love as the Masters champion. It's far different from when the British Open was last held in Northern Ireland.

Vegas oddsmakers have some ideas on who might be walking away from Portrush as a major champion. Here's a look at this week's betting odds.