U.S. Open winner Brooks Koepka celebrated his first major championship by partying with Dustin Johnson and Paulina Gretzky in Las Vegas, apparently. Koepka was photographed drinking Fireball, of all things, out of the trophy.

Curtis Strange, of all people, was the one who revealed the news on Twitter, noting that he drank Budweiser out of the trophy when he won it in 1988 and 1989.

Koepka is a 25-1 favorite to win The Open Championship at Royal Birkdale in July. 

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