It was Koepka’s sixth consecutive under-par round at the US Open – he missed last year’s event at Winged Foot with a knee injury – which ties Sam Snead’s all-time record.
While sorting through the balls, it came to Henley’s attention that he had accidentally used a ball other than his usual Titleist Pro V1x during the round.
These guys aren’t among the favourites this week at Bellerive Country Club, but under the right circumstances they could all find themselves in contention come Sunday.
Dustin Johnson made golf look easy again in the first round of the Northern Trust event, posting a five-under 65 that has him just one stroke behind leader Russell Henley.
Russell Henley played in the Masters three consecutive years starting from 2013. He missed out last year and appeared destined to spend the second week of April on the sidelines once again – until he caught lightning in a bottle at the Shell Houston Open.