Ryan Moore shot a seven-under 65 to take the lead after the first round of the Memorial Tournament at Muirfield Village.

The 36-year-old Moore, who has five career PGA Tour wins, went out in the second group of the day and started on a tear, making birdies on five of his first seven holes.

He went to the clubhouse with the early lead and it held up, despite a couple of challenges from other golfers on the Dublin, Ohio, course.

Jordan Spieth shot a 66 on Thursday to grab sole possession of second place, one stroke behind Moore.

Spieth's round included a spectacular 36-foot putt on the fifth for an eagle.

Vaughn Taylor seemed headed for the clubhouse at least six under but bogeyed the final hole. His 67 left him two strokes back and tied for third with Anirban Lahiri, Marc Leishman, Martin Kaymer and Bud Cauley.

In his first tournament since climbing back into the top five of the world rankings, five-time champion Tiger Woods carded a two-under 70 thanks to three birdies on his final five holes.

Meanwhile, Xander Schauffele and Rickie Fowler both carded three-under 69s to end the day four shots back, while Justin Thomas shot a 71.

Defending champion Bryson DeChambeau shot a 74 while world number three Justin Rose and number four Rory McIlroy both stumbled to three-over 75s.

Tiger Woods carded a two-under 70 in round one of the Memorial Tournament, his first competition since climbing back into the top five of the Official World Golf Ranking.

Woods – who started at the 10th with Justin Rose and Bryson DeChambeau – recorded his first birdie of the day at the 11th hole with a manageable up-and-down.

He could not get into his stride, though, and he gave that stroke back two holes later when he sent his second shot into a bunker and failed to convert another chipped putt.

Woods hit a string of pars to turn onto the front nine, but in the final four-hole stretch, he came up with the goods.

After playing the par-five fifth hole perfectly, reaching the green in two, rolling his first putt to within three feet and finishing it off for a birdie to move back to one under, he lost that stroke at the sixth, but regained it with a birdie on the seventh and went even lower with another gain at the next hole – a 185-yard par three.

A two-putt par at the ninth meant Woods was tied for 11th when he finished his round, which was five strokes back of early leader Ryan Moore.

Thomas Pieters endured a nightmare day at the Belgian Knockout to leave his hopes of qualifying for the knockout stages in tatters.

The top 32 players from each side of the draw after 36 holes of stroke play will qualify for the weekend's elimination rounds, which will see players go head to head in nine-hole contests.

Anton Karlsson shot an eight-under 63 to top the leaderboard after round one, but Pieters slumped to a six-over 77, leaving him second-last of the 144 players in the field.

Pieters, the third-highest ranked player in action at Antwerp's Rinkven International Golf Club, managed only two birdies, which were offset by six bogeys and a double-bogey at the fourth.

Defending champion Adrian Otaegui is well placed to make the weekend after a 67, while Karlsson's nearest challengers are Dean Burmester, Chris Paisley and Gonzalo Fernandez-Castano, who all managed six-under scores.

Tiger Woods is back into the top five of the Official World Golf Ranking for the first time since June 2014. 

The 15-time major champion was not involved at the Charles Schwab Challenge over the weekend, but still managed to climb a spot above Justin Thomas.

Woods last played in the US PGA Championship where he missed the cut at Bethpage Black, but his rise is due in part to Thomas not playing the Masters, where the 43-year-old ended an 11-year wait for a major title.

This weekend, Woods is scheduled to play at the Memorial Tournament as part of his build-up to next month's U.S. Open at Pebble Beach. 

He has won Memorial five times, with his most recent victory coming in 2012. If he were to triumph again, he could reach number three in the rankings.

Woods still holds the record for most consecutive (281) and cumulative (683) weeks at number one in the official rankings.

Kevin Na was all smiles after winning the Charles Schwab Challenge and he made his caddie happy too on Sunday.

Na's caddie, Kenny Harms, had another reason for celebrating the American's third PGA Tour victory. 

The winner of the event, held at the Colonial Country Club in Fort Worth, Texas, was promised a 1973 Dodge Challenger.

It did not take Na long to gift it over to Harms, who helped him finish with a four-stroke advantage over the rest of the field. 

As soon as Na's final putt fell in the hole, he pointed at the car and yelled: "That's your car" to Harms as the two embraced on the 18th green.

"We're like brothers, and I'm more than happy to give it to him," Na told media after his round.

Na's final round at the tournament was highlighted with six birdies, four of which were on the front nine. He had a couple of hiccups with a bogey on the par-four seventh hole and again on the par-four 10th but recovered nicely.

"It feels great," Na said after his round.

"Standing on the first tee, I looked at that wall [of winners at Colonial] and I imagined my name on it, and sure enough it's going to be there."

Kevin Na cruised to a four-stroke victory at the Charles Schwab Challenge on Sunday.

Na entered the final round in the lead and the 35-year-old never looked back following a four-under-par 66 in Fort Worth, Texas.

He had six birdies – four of which were on the front nine – and a pair of bogeys en route to his third PGA Tour title.

Na finished 13 under overall at Colonial Golf Course, ahead of fellow American Tony Finau.

"It feels great," Na said after his round. "Standing on the first tee, I looked at that wall [of winners at Colonial] and I imagined my name on it, and sure enough it's going to be there.

"Every year I come here I know I have a chance to win, and I knew before my career was over I was definitely going to win out here, if not multiple times. It's nice to get one, and who knows, maybe I'll win a couple more times before my career is over here."

Finau, who was the 18-hole leader, remained in contention and ultimately finished runner-up following his final-round 68.

He used a birdie on the par-four 18th hole to break out of a tie for second place.

It was his fifth second-place finish since the start of the 2017-18 season — the most of any player on Tour.

Andrew Putnam (66) and C.T. Pan (69) were a shot further back and tied for third, while Jonas Blixt (68) rounded out the top five at seven under.

Rory Sabbatini (67) and Ryan Palmer (69) were locked into a tie for sixth place at six under and Jordan Spieth joined Tyrrell Hatton and Mackenzie Hughes, among others, in a tie for eighth.

Former world number one Spieth had three bogeys and a birdie for a two-over-par 72 as he finished eight strokes off the pace.

Kevin Na built on an impressive second round to take the lead at the Charles Schwab Challenge on Saturday.

The two-time winner on the PGA Tour carded a one-under 69 in the third round to hold a two-stroke lead over the rest of the field.

Na, who carded the best round (62) of the tournament on Friday, played steady golf at Colonial Country Club in Fort Worth, Texas.

Na finished the day with three birdies, including two to open the round on the first and second holes. His only mistake came on the par-five 11th, where he had his first double bogey of the week.

He is nine under for the tournament.

"Over the years I've had some good rounds [at Colonial] and it's a golf course you don't have to overpower. You have to keep it in play," Na said, via Golfweek.com.

"From fairway in I'm a pretty good player, so I think it plays right into my game."

Right behind him is a star-studded tie for second place at seven under, including Jordan Spieth, Tony Finau and Jim Furyk. C.T. Pan and Mackenzie Hughes join them.

Spieth's game, including his putting, has been superb this weekend as he is chasing his first win since the 2017 Open Championship.

It is a good sign for Spieth, who had failed to finish inside the top 20 this year until ending up tied for third at last week's US PGA Championship.

Spieth also opened his round with birdies after a 29-foot putt on the par-five first hole and another 20-foot putt on the par-four second.

Charley Hoffman and Austin Cook are locked in a tie for seventh place at six under while Ryan Palmer, Nick Watney and Jonas Blixt – who was leading the field after 36 holes – are tied for ninth at five under heading into Sunday's final round.

Jonas Blixt took control of the Charles Schwab Challenge after claiming a one-stroke lead at the halfway stage on Friday.

Swedish golfer Blitx carded a six-under-par 64 to sit atop the leaderboard after round two at Colonial Country Club in Fort Worth, Texas. 

Blixt – who is chasing his fourth PGA Tour win and first since claiming the 2017 Zurich Classic of New Orleans – enjoyed a bogey-free round with four birdies and a hole-out for eagle on the par-four 17th.

The impressive hole-out put Blixt one stroke ahead of Kevin Na and Tony Finau, who are tied for second position, at nine under.

Finau had the 18-hole lead but still remains in contention despite a bogey staining his scorecard early in the round. He played steady golf the rest of the way to finish two-under 68.

Na, who has had success at the Colonial Golf Course in Fort Worth, Texas, shot a 62 for the best round of the day.

Rory Sabbatini has sole possession of fourth place at six under, a stroke ahead of former world number one Jordan Spieth.

Spieth – who was tied for third at the US PGA Championship – posted a 70 to be level alongside Nick Watney (68), Jim Furyk (66), C.T. Pan (67) and Jason Dufner (68).

The three-time major champion had another good day putting. Spieth had a career first when he made three putts from outside 40 feet in a single tournament.

Defending champion Justin Rose was able to make the cut after his three-under-par 67 left him one over after 36 holes.

While Rose qualified for the weekend, the likes of Rickie Fowler, Jon Rahm, Bryson DeChambeau, Xander Schauffele and Zach Johnson missed the cut.

Tony Finau leads the Charles Schwab Challenge after opening with seven birdies to sit ahead of Jordan Spieth and Roger Sloan following the first round.

Finau carded one bogey on his front nine, but after the turn he finished without any blemishes. He credited his improved putting for his six-under 64.

"I haven't been putting great I feel like, and standing over the ball the most important thing is, do you feel like you're going to make the putt or not?" Finau said after his round, via Golf Digest.

"Outside of everything else, do you believe you can make the putt? So for me, I needed to switch something."

Finau hopes his new grip will keep him in contention at Colonial Country Club in Fort Worth, Texas. But there is a crowded field behind him, including Texas native and 2016 winner Spieth.

Spieth birded his final hole to move into second place at five under with Sloan. Spieth was also putting well, finishing the day 15 of 15 from putts inside 15 feet.

He also sank a 46-foot putt on the par-three fourth hole for a birdie.

Spieth could have easily been in first place after firing off eight birdies but carded a double bogey on the par-four 18th hole and a bogey on the par-three eighth to finish just a stroke shy of Finau.

"It's nice to see some results off what I believe is the progress I've been making," Spieth said, via the Dallas Morning News.

"At the same time, it's one round. I've got to keep my head down and keep working."

There is a sizable tie for fourth place at three under, including an American cast featuring Jason Dufner, Jimmy Walker and Trey Mullinax.

Justin Rose, the defending champion, had a forgettable round. He fell into a tie for 95th place after his round was plagued with five bogeys.

Rickie Fowler joined Rose with a four-over 74.

Edoardo Molinari was pleased to card a 66 in testing conditions as he joined the early pacesetters at the Made in Denmark.

The Italian, a three-time winner on the European Tour, was seven under at one point but dropped a couple of shots over the last four holes to sit in a five-way tie for the lead. 

High winds ensured low scoring was no easy feat, meaning Molinari was content to label it a good day at the office.

"I had a good round of golf," he said after Thursday's round. "It was quite windy, I hit the ball very solid.

"I made a few putts on my front nine, missed a couple of putts coming in when it was very windy. Overall it's been a good day.

"I wasn't trying to make that many birdies, it was so windy I was just trying to hit greens and give myself good looks at birdies."

The 38-year-old, who is the brother of Open champion Francesco Molinari, is joined at the top of the leaderboard by English trio Matthew Southgate, Paul Waring and Tom Murray, with Alejandro Canizares also in the mix.

Reigning champion Matt Wallace, who finished in a tie for third at the US PGA Championship, is in a group of players just one stroke off the pace. 

There was joy for home hope Martin Simonsen when he aced the 16th to win a luxury golf cart for him and his caddie.

Tiger Woods will play in the Memorial Tournament as preparation for June's U.S. Open at Pebble Beach.

Woods missed the cut at the US PGA Championship having played no tournaments between his victory at the Masters in April and his disappointing performance in the second major of the year at Bethpage Black.

The 43-year-old was also able to play just nine practice holes in Farmingdale because of illness, and subsequently finished five over to miss the weekend.

He will take a different approach ahead of the U.S. Open, confirming on Thursday that he will be at Muirfield Village Golf Course in Columbus, Ohio, for the 75-player invitation-only event hosted by 18-time major champion Jack Nicklaus, whose record Woods is chasing.

Woods has played the tournament 16 times, winning a record five.

In addition to chasing Nicklaus' career tally for major victories, Woods would tie Sam Snead's record of 82 PGA Tour successes with one more win.

The most recent of Woods' five triumphs at the Memorial was in 2012 and featured a memorable holed flop shot on the 16th hole of the final round that Nicklaus called "the most unbelievably gutsy shot I've ever seen".

About eight hours after Evan Harmeling made a disappointing par on the 18th hole at Cinnamon Hill Golf Club to finish his suspended third round, he redeemed himself on that same hole, rolling in a testing, four-foot birdie putt to break the tie he was in with Augusto Núñez and win the 2019 BMW Jamaica Classic by a stroke.

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