Another bogey-free round belonged to 44-year-old Justin Rose, in the group at 69 that included 52-year-old Lee Westwood, former Open champion Brian Harman and Lucas Glover, who was tied for the lead until a pair of bogeys early on the back nine.

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HOME HERO: Rory McIlroy of Northern Ireland made a late birdie for a 70 and was three shots behind. The last time he played the British Open at Royal Portrush, he made an 8 on the first hole, shot 79 and wound up missing the cut.

Of the 20 LIV golfers in the field at the 2025 British Open, Phil Mickelson turned in perhaps the most surprising first round.

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."

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.

The final major of the season is here. Follow along for live updates, scores, highlights and more from the first round of the 2025 British Open.

Just as a certain Northern Irishman’s golf ball flew left, but not too far left, and safely settled in the rough, the sun peeked ou