Scott Gregory from England won the British Amateur, played on the Walker Cup team, turned pro shortly afterward, and was low qualifier in England to get a birth in this U.S. Open.US Open is a grand example
He was rewarded with a first round 92. He made no birdies and only 3 pars. Also, 10 bogeys, 3 doubles, and 2 triples. This is no weekend hacker. He is probably capable of shooting mid-60's at any course in Knoxville. That is how incredibly hard that Shinnecock is today.