Rahm rattles in the puttpublished at 18:18 British Summer Time 20 July 2019
John Murray
BBC Radio 5 Live commentator
If it hadn't gone in the hole, that putt would have been 20 foot past!
Leader: -16 Lowry
Selected: -12 Fleetwood; -10 Holmes; -9 Koepka, Rose
-8 Fowler, Westwood; -7 Willett, Rahm, Finau, Spieth
-6 Frittelli, Stenson, Noren, Kuchar
-5 Schauffele; -2 McDowell, Lewis
Luke Reddy, Gary Rose and Tim Oscroft
John Murray
BBC Radio 5 Live commentator
If it hadn't gone in the hole, that putt would have been 20 foot past!
Rahm -7 (16)
Jon Rahm takes aim and putts from distance. It breaks from left to right, and fairly rattles in to give him his fourth birdie of the round. Nice!
He shot a 62 to win the Irish Open two weeks ago - don't count him out tomorrow.
Lowry leads by one shot. It's exciting stuff!
Alex Bysouth
BBC Sport at Royal Portrush
Lee Westwood looked on despairingly as his birdie putt failed to drop at 11. The lead is just creeping away from him. Tommy Fleetwood smirked almost in disbelief that his didn’t disappear.
Westwood -9 (11) Fleetwood -11 (11)
Lee Westwood then, bogey at the last, birdie putt here of say 15ft. Nice line, nice line, good weight.... ahhhh. So close but not quite. He makes par and having been sharing the lead maybe 20 minutes or so ago he's now three back.
Tommy Fleetwood pinged one over the pin for his approach and now has his chance to tie the lead. Down a slight slope, one he can make. It hangs there and turns him away like an angry doorman.
Rose -8, Koepka -8 (12)
Over on the par-five 12th and the stellar pair of Brooks Koepka and Justin Rose are eyeing up eagle chances.
Koepka is up first and sends his attempt across the green from 45-50 feet. It's tracking the hole but slips just by on the left. Tap-in birdie though.
Here's Rose from inside half that distance. Straight. In. The. Middle. A big fist pump from Rosey. He knows that's a big move.
Lowry -12 (10) Holmes -10 (10)
JB Holmes in the sticky stuff here through the back of 10. He needs to get up and down and it's a lovely touch, using the undulation of the green to feed the ball down to within maybe six foot for par. He makes it too.
Up on 11 Lee Westwood delivers another rock solid swing, firing right of the pin, 20ft left to pick up a shot.
And then...
"YEAAAHHHHHHH".
The roar on 10 as Shane Lowry converts for birdie and the lead. Ireland, are you feeling it?
#bbcgolf
Lovely photo here from Andrew. If you're one of the thousands of fans at Royal Portrush then send us a photo and don't forget we're still after your tales of joy and woe playing links golf.
Iain Carter
BBC Sport golf correspondent at Royal Portrush
They are roaring with delight round the 10th green after that shot by Lowry. He may have got a little lucky, but what an outcome! Simply brilliant.
Lowry -11 (9)
Shane Lowry and his caddie deep in conversation in the rough on 10. The caddie is insisting the club in his hand is the one. Lowry asks what if it lands and runs through the green. "That's very unlikely," he's told.
"But what if it does?" he says.
The caddie comes back: "Then you can chip it back and use the slope. That's the club."
And it was the club. Lowry fizzes one to the green, it rolls up the bank to the left of the putting surface and then the roars come as it breaks down on to the green to leave eight feet for birdie.
What a caddie. That was like Tin Cup and Romeo.
Spieth -5 (12)
Three birdies from Jordan Spieth today - but bogeys at six, nine and 11 have pegged the 2017 Open champion back. His third birdie at the par five 12th gives him hope for the rest of the round.
Iain Carter
BBC Sport golf correspondent at Royal Portrush
Lowry and Holmes had a long wait on the tee following everything that happened with Westwood.
Fleetwood -11 (10) Westwood -9 (10)
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Lee Westwood pays for his reckless drive by making bogey on 10 but the name in lights is Tommy Fleetwood. His superb wedge in afford him maybe eight feet for birdie and as the ball disappears into the cup, the cheers ring out.
Alex Bysouth
BBC Sport at Royal Portrush
There was a lot of chatter when Westy lost his ball down the right of the 10th. It took an age to find and fans were mumbling about him being on the clock, while one responded “they never do anything unless it’s someone you’ve never heard of...” - tell David Duval that.
Westwood -10 (9) Fleetwood -10 (9)
Ooof, Westy drove one out right and nestled his ball into a bush. There's a full briefing going on in which the rules are explained to him and he ends by telling the official: "Right, you're closest, grab it."
It looks like it will be a one-shot penalty and he'll have to take his ball back onto a mound and reload. Here comes his third shot - chunky connection - on the green though. He will have around 35ft for par so a shot could be going here.
Tommy Fleetwood in contrast lifts a lovely effort into the green and has a cracking look at birdie to come.
1982 is the last time that the Americans held all four majors, but with JB Holmes currently joint second and a healthy contingent in touch, there's a chance that they might hold all four of them by the end of tomorrow, with Tiger Woods winning the Masters, Brooks Koepka winning the US PGA Championship and Gary Woodland winning the US Open.
Fowler -8 (66)
Rickie Fowler has barely missed a birdie putt today but his 20-footer at the last sneaks past the left edge of the hole. The American is signing for a five-under 66 though and he will be right in contention on Sunday.
Rahm -6 (14)
Jon Rahm sends in a long birdie attempt, it curls from the left and drops to give the Spaniard his third birdie of the day to a huge cheer from the crowd around the 14th.
Lowry -11, Holmes -10 (9)
JB Holmes stiffs his approach to the ninth but can't make the birdie putt. It's an awful pull left, straight off the bat.
What can Lowry do? The cheers tell you. Birdie for the Northern Irishman and the OUTRIGHT LEAD.
Meanwhile, Lee Westwood is in a spot of bother on the 10th...