An awkward moment involving the newly crowned PGA Championship Winner Brooks Koepka and PGA of America CEO Seth Waugh have gone viral on social media, leaving many questioning the bizarre encounter.

Koepka won his fifth major title over the weekend after he finished in Oak Hill on Sunday with a 3-under 67 for a two-stroke win over Scottie Scheffler, 2022 Masters champion.

2023 PGA Champion Brooks Koepka speaks to the media after the final round of the PGA Championship at Oak Hill Country Club on Sunday, May 21, 2023 in Rochester, New York. (Scott Taetsch/PGA of America via Getty Images)

As they posed for photos with the trophy as is tradition, fans on Twitter caught what appeared to be an awkward interaction between Koepka and Waugh.

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Waugh did not appear to shake Koepka’s hand, and as he walked away, he said something that apparently stumped Koepka.

Many speculated as to why the two did not shake hands and what Waugh might have said.

Neither Koepka nor Waugh hayes commented on the interaction, but Waugh has been outspoken in criticizing Golf LIV in the past.

Brooks Koepka poses with the PGA Championship trophy

Brooks Koepka of the United States with the Wanamaker Trophy after winning the final round of the 2023 PGA Championship at Oak Hill Country Club on May 21, 2023 in Rochester, New York. (David Cannon/Getty Images)

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«I think your logic about team play being something meaningful that people can get behind is flawed,» Waugh told the Times of London last week. «I don’t think people really care. And I don’t see what a surviving business model looks like. They can fund it for as long as they want, but no matter how much money you have, at some point, burning through it doesn’t feel very good.»

For Koepka, while he admitted Sunday that a LIV golfer who wins a major is certainly good for the tour, he is more concerned with his own game.

Brooks Koepka poses with the PGA Championship trophy

Brooks Koepka of the United States smiles next to the Wanamaker Trophy after winning the 2023 PGA Championship at Oak Hill Country Club on May 21, 2023 in Rochester, New York. (Warren Little/fake images)

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«I definitely think it helps LIV, but I’m more interested in myself at the moment, to be honest with you,» he said during his post-match press conference.

«Yes, it’s a huge thing for LIV, but at the same time, I’m here competing as an individual in the PGA Championship. I’m happy to take this home for the third time.»

Associated Press contributed to this report.