Golf's elite arrived at Aronimink Golf Club expecting a walk in the park. Instead, they got a brutal wake-up call.

After just one round of the PGA Championship, only 32 of 156 players managed to finish under par. The scorecards told the story, but the dazed looks leaving the scoring tent said even more. Aronimink heard every insult, every joke about how soft the course would play, every prediction that the pros would tear it apart. The course responded with a vengeance.

Rory McIlroy, the two-time defending Masters champion, was among the biggest names to feel the sting. After a ragged round of four-over par, McIlroy called his performance "sh*t." Aronimink 1, one of the world's best golfers, 0.

But McIlroy was far from alone. Unseasonable chill and gusty winds turned the first round into a survival test, creating one of the most jammed-up leaderboards in recent major championship history. The names at the top ranged from the familiar—defending champion Scottie Scheffler—to the fresh-faced, including 21-year-old debut performer Aldrich Potgieter.

For fans watching from home or dreaming of their next round, this tournament is a reminder that golf's greatest challenge is often the course itself. Whether you're teeing it up at a major or your local muni, respect the layout—it might just bite back.