Good par save from Scottie Scheffler after his chip from below the green just had a bit too much grab on it and pulled up eight feet short.

Rory McIlroy hits an educated long putt down the hill that leaves him with just a tap-in for his three.

Nial Foster
BBC Sport NI at Quail Hollow

Rory McIlroy faced a delay at the 13th tee box but the world number two thrives on quick play. After a sluggish practice round yesterday in sweltering heat, these hold-ups may test his patience.

A four-time winner here, McIlroy prefers a brisk pace to maintain rhythm.

With conditions drying out and the temperature already 25 degrees at 9.20am in Charlotte, he will be keen to refocus and finish before it gets even warmer later.

Image source, Getty Images

A little bit necky from Scottie Scheffler with his tee shot on the par-three 13th - actually it's a lot necky, especially for one of the best iron players we've seen in the game.

He's short and right of the green, Rory McIlroy a touch long but centre of the putting surface and Xander Schauffele with the pick of the bunch.

Happens to us all!

Gavin Andrews
BBC Sport NI at Quail Hollow

Small margins at Quail Hollow.

The marquee group all playing into the 12th with wedges in hand can’t find the green.

Scottie and Xander go long. Rory spins it back and off the green. The slopes and changes in elevation are brutal.

No big deal… Scheffler chips in from the rough for birdie!!

Phil Mickelson was the oldest major champion when he won this title in 2021 at the age of 50. He's scrambling down the 14th after a wild drive finds water down the left.

He then dumps his third shot into a greenside bunker but shows magical skill to flop out to a couple of feet and he'll escape with a bogey.

But this is a hole where pars will lose you ground on the field today.

Phil is playing with Tommy Fleetwood and the Englishman keeps up his solid start with a curling birdie putt from a dozen feet.

Iain Carter
BBC golf correspondent on BBC Radio 5 Sports Extra

The number of times he chips in during majors is just incredible.

Golf eh! Scottie Scheffler in the worst spot of the three after their approaches, but he pulls a wonderful little chip out of the bag and holes it for a birdie!

Image source, Getty Images

Scottie Scheffler out of the first cut on the right of the 12th hole just flies it too far and the ball takes a rock hard bounce and tumbles off the back of the green.

Considering all the rain that's fallen the putting surfaces are incredibly dry and fast - even though Quail Hollow has a sub air system which can suck the moisture out it's still impressive.

Rory McIlroy takes dead aim and it looks a beauty as the ball hops up to inside 10 feet, but there's too much swazz on the ball and it spins back and off the top shelf of the green.

Luke Donald told BBC golf correspondent Iain Carter that just making the cut would be a success for him this week.

The Europe Ryder Cup captain says this beast of a course, coupled with all the rain that will make it play even longer, is just too long for him now.

But the 47-year-old is currently taming Quail Hollow. A birdie on the eighth is his second of the day and adding that to six pars leaves him one off the lead.

He's playing with Padraig Harrington, the 2008 US PGA champion, who also knocks in a birdie to get under par. The 53-year-old also rolling back the years.

It's been a haphazard start from the 2023 champion Brooks Koepka, who made bogey on his opening hole and has been fighting back since.

On the driveable par-four 14th, his fifth hole, Koepka smashes it over the putting surface but is relieved to find his ball holding up in the rough rather than in the water.

From there, a skilful up and down and he walks away with a three.

Back to level par.

Oliver Wilson
Former Ryder Cup player on BBC Radio 5 live

It was just a clumsy error putting straight up the hill.

Rory McIlroy just didn't have the pace of the green there and those are the kind of things that just annoy you.

He wanted to build his round from the birdie at the start but that definitely hampers things.

Rory McIlroy races his birdie putt a good seven feet past the hole after coming up 30 feet short from the fairway bunker.

His par putt then just cruls away to the right and that's a stinking three-putt for bogey that will really annoy McIlroy.

Scruffy hole for Scottie Scheffler who leaves his chip a good 12 feet short of the hole, and his putter can't get him out of trouble as he also makes a five.

Over on the par-three 13th, Tommy Fleetwood hits his tee shot under the hole to about 10 feet and he bends in the birdie putt to pick up his first shot of the day.

The driveable par-four 14th coming up...

A first sight of Bob MacIntyre - he's on the par-four third and looking to bounce back from a bogey on the second.

The left-hander fires his second shot in to about six feet and will have a good look for a birdie. Not happening for Bob just yet, the Scot pulls his putt left. Par.

Image source, Getty Images

A loose drive from Scottie Scheffler as he tugs it way left, but the world number one gets a stroke of luck as he's got a big gap between the trees to hit through.

He still has to punch a low one from around 150 yards and he executes it almost perfectly, just short of the green.

I was going to say Scheffler "got out of jail there" on that one, but considering what happened to him at the US PGA last year probably best not to....

This par-four 14th is looking increasingly simple for the pros in these early stages.

Sepp Straka, the man who pipped Shane Lowry to last week's PGA Tour title in Philadelphia, is the latest to drive the green and he knocks in his eagle putt from a dozen feet to wipe out bogeys on the 11th and 13th holes.

Iain Carter
BBC golf correspondent on BBC Radio 5 Sports Extra

I asked Luke Donald about his game yesterday and he replied: "This is not the golf course for me. I'll be hitting rescue clubs from everywhere. I'll try and reach the weekend..."

It was one of the most downbeat answers I think I've had.

The Team Europe Ryder Cup captain is on one under through six holes so is off to a great start!

Ask Me Anything

Image source, Getty Images

BBC Sport's Ask Me Anything team have been asking for your questions...

Here's one for those of you who are new to golf and are learning what all of the key terms mean.

Where do the teams birdie, eagle and albatross come from?

In 1870, golf writer AH Doleman asked golf professionals David Strath and James Anderson what score should win The Open. That score was labelled as a ground score or perfect score, eventually becoming known as par.

The term bogey seemingly comes from a popular 1890s song called The Bogey Man that an English golfer Charles Wellman referenced at Great Yarmouth Golf Club in 1890.

Players setting out to achieve a golfing ground score would be said to be trying to catch the bogey man.

By 1911, when par was introduced, a score of one over par was then referred to as a bogey.

As for birdie, it simply comes from an American slang term for bird, meaning anything excellent and the United States Golf Association dates its first use as in 1899.

With the eagle a symbol of the USA, the term was introduced shortly after the birdie to recognise scores of two under par for a single hole.

Finally, the term albatross originated in Britain. Scoring an albatross is a rare event, as is the sighting of the bird it is named after.

You can read more details on this in our explainer article here.

Oliver Wilson
Former Ryder Cup player on BBC Radio 5 live

A par five for Rory McIlroy is a really good opportunity.

Beautiful putt, in all the way, he's dialled in.

That'll definitely settle him down and give him confidence going into the next holes down this back nine.

England's John Parry is under par for the championship. He bogeyed his first, the par-five 10th, but two birdies since then, including a tap-in on the par-five 15th, have moved him into the red.