The 2023 PGA Championship at Oak Hill Country Club begins Thursday after a roughly two-hour frost delay

With a number of star-studded groups due to play the course. While a major title cannot be won or lost in the first round

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It may be lost. Rory McIlroy may have thrown himself behind the eight ball on the opening day of the 2023 Masters

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But the four-time major champion was out in lead after 18 holes at Southern Hills a season ago.

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At 10:01 a.m. ET, he will begin his quest for his fifth major championship with reigning champion Justin Thomas and 2020 PGA Champion Collin Morikawa.

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They have eight majors in total and five of the previous 11 PGA Championships. They are closely followed by world number one and Masters champion Jon Rahm.

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At 10:23 a.m., the Spaniard begins his quest to become the first player since Jordan Spieth in 2015 to win the first two major championships of the calendar year

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With reigning U.S. Open winner Matt Fitzpatrick and winner Golfer of the Year Cameron Smith.

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Scottie Scheffler, Brooks Koepka, and Gary Woodland will play at 9:50 a.m., followed by Viktor Hovland, Shane Lowry, and Jordan Spieth at 10:12 a.m.

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