At the US Open, Wyndham Clark plays admirably and wins a significant title.

Wyndham Clark has his own plan for the U.S. Open in a town of stars.

A message from his late mother, "Play big," and his belief that he could compete with anyone on any stage were both carried by Clark.

A message from his late mother, "Play big," and his belief that he could compete with anyone on any stage were both carried by Clark.

Clark remarked after closing with an even-par 70 to beat McIlroy by one stroke,"I feel like I belong on this stage.

When hardly one knew who I was two or three years ago, I thought I could still play and compete with the best players in the world.

Six weeks after winning his maiden PGA Tour championship at Quail Hollow, he won in just his seventh attempt at a major. His previous best was a tie for 75th.

At the Los Angeles Country Club's 18th hole, the final act was two putts from 60 feet, and 29-year-old Clark pumped his fist when it went about a foot.

At the conclusion, Clark let his feelings out, sobbing on the green while gazing up at the blue sky and shielding his face with his cap.

"All I truly desire is for my mother to be here so I can give her a big embrace and we can rejoice together. But I am aware of her pride in me.