Jacob Skov Olesen is a surprise co-leader of the 153rd British Open at Royal Portrush Golf Club. The 26-year-old Dane bogeyed 18 but signed for 4-under 67, a score matched by China's Haotong Li,

Rory McIlroy shot 1-under 70 in the first round of the British Open at Royal Portrush that is also serving as a homecoming for the Northern Irish star.

Five players opened with rounds of 4-under 67 at Royal Portrush and the SI Golf team debates whether the major champion in the group has an edge.

The "Golden Bear" and 18-time major winner won the first of his three Opens and completed the first of his three career grand slams along the southeastern Scottish coast in 1966, then called the par-71 layout "the best golf course in Britain."

The British Open is underway at Royal Portrush in Northern Ireland. Two-time champion Padraig Harrington of Ireland had the honor of the opening tee shot. Xander Schauffele of the United States is trying to become the first player since Harrington in 2007-08 to win the Open in successive years.

The first day of the Open was a grind, but many players did exactly what was needed. Others, not so much. We call 'em like we see 'em.