The first day of the 2023 PGA Championship has concluded.

Play was halted at Oak Hill Country Club in Rochester, New York, owing to darkness, with a surprise name atop the leaderboard

[{"selector":"#anim-b59d3fab-6d69-4217-9fac-5c97a60664f9 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

Eric Cole, a 2023 PGA Tour rookie, leads the field at 5-under. Bryson DeChambeau, who is one stroke behind Cole at 4-under, will aim to become the first LIV Golf player to win a major.

[{"selector":"#anim-3f672f7a-637b-4c03-868d-224761a35a62 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

He is one of 16 Saudi-backed tour players competing in the PGA Championship. There are 156 participants in the field

[{"selector":"#anim-ef371e24-b63e-4a11-9e65-3f51dc8d3279 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(10.910506938180509%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

And they will play the first two rounds in groups of three on Thursday and Friday. Scottie Scheffler, Corey Conners, and Dustin Johnson are three strokes behind DeChambeau.

[{"selector":"#anim-afc7fa2c-b0ca-4cf1-8df1-443ef3495696 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(10.454545344106055%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

Scores, Schedules, Pairings, and More from the PGA Championship Tournament Throughout the day, USA TODAY Sports offered the most recent news, updates, commentary, and more.

[{"selector":"#anim-ad46fc02-9581-4694-bf7c-73569e179919 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

Eric Cole, a newcomer, takes over as the only leader after three consecutive birdies.

[{"selector":"#anim-33d50bb0-3e53-4a52-864d-ded2a6ce51e5 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

A relatively unknown player has gotten to the top of the scoreboard among all the major names around the top.

[{"selector":"#anim-eb8b2423-3d4a-4293-a3b3-134c3696337b [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(9.318181719746702%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

Eric Cole has taken over first position at the PGA Championship after a birdie on the fourth hole placed him at 5-under-par

[{"selector":"#anim-e3006dd2-bdfc-41fd-b19e-17a811c0e3a4 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(3.552713678800501e-15%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

His third birdie in a row, separating him from Dustin Johnson, Adam Scott, and Bryson DeChambeau, who had been the single leader for much of the day.

[{"selector":"#anim-9b0eaf1c-8f2d-4555-9143-a47e49de462e [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]