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Two-time PGA Championship winner Justin Thomas and fellow American Cameron Young are both one under.

Thomas picks up a birdie on the second hole, tapping in a putt from just over a foot after a brilliant iron shot to get on to the green.

Young's putting, meanwhile, is on point on the third hole as he rolls in an impressive 17-footer to open his birdie account.

Bogeys all round on the third hole.

Tommy Fleetwood hits the sand with his approach shot and his shot on to the green is a little wayward leaving him with a 23 footer to save par.

The Englishman comes up around a foot short.

Robert MacIntyre overcooks his approach and his putter runs cold on the green.

Nothing doing down the third for this trio, who all have birdie putts albeit only Viktor Hovland is inside 12 feet and just misjudges the pace.

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Rory McIlroy speaking to the media about what went wrong with his first round:: "I started missing fairways and from there it's hard. I didn't have great angles - and then I got on that bogey train at the end.

"I'm not driving the ball well enough to give myself scoring opportunities and that's pretty frustrating, especially when I pride myself on driving the ball.

"There is certainly a penalty for missing the fairway and it's probably more than what I anticipated."

On the course: "I wasn't expecting it to be as windy today. It's tough to get the balls close.

On if his toe was still bothering him: "No."

Rory McIlroy has been speaking to the media and has just been asked to describe his opening round of 74.

His one-word answer leaves little to the imagination.

And I'm not putting it in here.

Full quotes to come.

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Scan the leaderboard and you'll see European juggernauts from a different time making a splash. Team Europe's indomitable Ryder Cup captain Luke Donald and Germany's Martin Kaymer are just one shot off the lead at two under par.

Both are about a third of the way through their opening round and it's great to see the veterans looking in good form.

Three stunning approach shots but then when you've got the world number one paired with the fourth and seventh ranked players, what do you expect.

Scottie Scheffler's iron shot zip into less than a foot and has a look at the hole before spinning backwards, while Justin Rose and Matt Fitzpatrick are both inside 10 feet with a look at birdie.

Fitzpatrick's shuffles past the right edge of the cup and now his fellow Englishman Rose ends up with the same result, meaning all three will start with a par, but only once Fitzy moves a bee out of his putting line with a tee.

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Japan's Ryo Hisatsune has four top-10 finishes on the PGA Tour so far this season, so it isn't a surprise to see him hovering at the top of the leaderboard.

He's just closed up at three under for his round, joining Aldrich Potgieter, Stephan Jaeger and Min Woo Lee in setting the early pace.

Tommy Fleetwood finds the bunker with his approach shot at the second hole, but he chips superbly out the sand to leave himself with a putt from four feet for par.

Robert MacIntyre gets on the green in two but the Scot can only two putt for par.

Good question, Bob.

On our leaderboard tab, if a player has finished their round, then the Thru column gives the tee-time for their next round.

So, for example leader Aldrich Potgieter is 'Thru 17:15' meaning we'll next see him on the course at quarter past five in the afternoon tomorrow.

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Ooooh, Jordan Spieth's birdie putt on the ninth just sneaks past on the left. But that's an encouraging opening 69 for the American and it sets up his latest bid for the career Grand Slam rather nicely.

Rory McIlroy may require a Masters-esque inspirational trip to the range though as he finishes with a bogey six.

That's four dropped shots in a row to close his round and a desperately ragged showing from the Masters champion with a miserable time on the greens and just five fairways hit.

Jon Rahm taps in for birdie to match Jordan Spieth's 69, with a hole-out eagle and a chip-in birdie the highlights for the two-time major winner.

Wayward stuff off the second tee for Viktor Hovland, Collin Morikawa and Shane Lowry, who heads right again.

Hovland also finds the rough and Morikawa dunks his ball into a fairway bunker.

That leakage proves costly for Hovland and Morikawa, who can't get close enough with their third shots to give themselves a realistic chance of saving par.

While we're chatting winners, how about a teatime quiz?

Clue: there are only two non-Americans in this list.

Tommy Fleetwood has a glimmer of a birdie chance on the first hole but his putt comes up just short of the hole. He taps in for par.

Chris Gotterup and Robert MacIntyre also settle for par at the start of their rounds.

Solid start by this grouping.

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Defending champion Scottie Scheffler says he has "bittersweet" feelings over three consecutive runner-up finishes prior to this week's US PGA Championship.

The American, 29, who has four major triumphs to his name, captured his 20th title on the PGA Tour in January at La Quinta.

However, since then he has had to settle for second-place finishes at the Masters, Heritage and Doral tournaments.

"You know you're playing good golf, and you'd love to get some wins," Scheffler said.

"Finishing second hurts. But when you reflect and you're looking at things to work on, there's a lot less to clean up when you're finishing second than there is when you're finishing 30th."

Scheffler has ended up in the top 10 in each of his past six majors, the longest such run since Vijay Singh's seven in a row in between 2004-2006.

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Don't tell Justin Rose...

But eight of the previous nine US PGA Championships were won by a player under 34 years old.

And only two of the past 37 majors have been secured by a player that has passed his 40th birthday.

Those two happen to be Phil Mickelson, who was nearly 51 years old when he won at Kiawah in 2021 and a certain Tiger Woods, who was 43 when he triumphed at the 2019 Masters.

There's no closing birdie for 2024 US PGA champion Xander Schauffele and the American settles for an opening 68.

He'll be content with his day's work and so will Brooks Koepka despite some putting woes. The three-time champion misses yet another birdie putt at the last but he's still one under after a stellar ball-striking display.

A bit of time on the practice green and he may well be a factor this week.

England's Tyrrell Hatton also closes with a five and will have more work to do tomorrow, but a 72 isn't to be sniffed at considering he was three over after nine.

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Aronimink has hosted three major men’s tournaments in the last 17 years, and in that time two players in this week's field have featured in all three.

England's Justin Rose is one and America's Rickie Fowler, who has climbed back up inside the top 40 in the world rankings, is the other.

The 2013 US Open winner Rose actually won here at his first time of asking in the 2010 AT&T National and since then he has tied for 15th and lost in a play-off to Keegan Bradley at the 2018 BMW Championship.

So can he contend this time around?

Since finishing just outside the top 10 at the Players and coming joint third at the Masters he's ended up tied for 65th and tied for 45th at the Cadillac and Truist.

However, that has coincided with his change to McLaren Golf clubs.

The acid test of just how that switch is shaping up will likely come out on the course this week.

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When Matt Fitzpatrick gets under way at Aronimink on Thursday, he will be aiming to end a 107-year wait for an English winner at the US PGA Championship.

Jim Barnes was the first and last, claiming victory at the first two tournaments in 1916 and 1919.

However, Sheffield's Fitzpatrick is arguably the best-placed of any Englishman to end that long drought.

The 31-year-old has made his best start to a campaign on the PGA Tour - with three wins in his past five starts and more than $10.5m (£7.8m) banked already in 2026.

And with only Scottie Scheffler, Rory McIlroy and Cameron Young above him in the world rankings, Fitzpatrick believes his game is in a better place than when he won the 2022 US Open.

His second-placed finish at the PGA Tour's flagship Players tournament in March was followed by a victory at the Valspar Championship and a strong showing at the Masters in April, the first major of the year.

He followed up defeating Scheffler in a play-off to win the RBC Heritage with further success alongside his brother Alex at the Zurich Classic of New Orleans.

"I think 2022 was my golden period and I said for two, three years afterwards it was the best period that I had ever played," Fitzpatrick said.

"But the start of this year has definitely eclipsed that because of the results [and] the underlying numbers themselves have definitely been better.

"I'm trying to cherish it as much as possible. It's all happening very quickly."

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