Tiger Woods has announced he has undergone surgery on his left knee to repair cartilage damage.

Rory McIlroy has questioned both the radical new format and the focus on the $15m (€13.5m) first prize at this week’s season-ending Tour Championship.

Even by Phil Mickelson’s standards, his preparations for Sunday’s final round of the BMW Championship at Medinah, outside Chicago, were a little too exciting for comfort.

Justin Thomas took command of the BMW Championship with a superb 11-under 61 to shatter the Medinah course record and open up a six-stroke lead heading into the final round.

Rory McIlroy is just four shots off the lead at the halfway stage of the BMW Championship.

Shane Lowry has recovered from a shaky start to card a two-under par 69 on the opening day of the Northern Trust.

Shane Lowry revealed he had fully heeded Rory McIlroy’s advice to enjoy his Open triumph as he prepared to return to action in The Northern Trust.

Masters champion Tiger Woods played down an injury scare on the eve of his first appearance since missing the cut in the Open Championship as he attempts to play back-to-back events for just the second time this season.

Paul Dunne has not recorded a top-10 finish since April, but put himself in pole position for a second European Tour title thanks to seven birdies in an opening 64 to lead the Turkish Airlines Open in Antalya.

As expected, Tiger Woods was named on the US Ryder Cup team last night alongside Bryson DeChambeau, and Phil Mickelson as Jim Furyk announced his three picks in Philadelphia.

The USPGA Championship has all the trappings of a big celebration this year.

It is a sad day for golf when Tiger Woods is relegated to serving as an assistant captain at the Presidents Cup. Cart driver? Asking players if they like mayo or mustard on their sandwich? Say it ain’t so, Tiger. Say it ain’t so.

Marc Leishman will take a five-stroke lead into the final round of the BMW Championship after producing a superb 68 on Saturday.

Marc Leishman has put in another fine performance during the second round of the BMW Championship at Conway Farms.

Rory McIlroy's chance of retaining his FedEx Cup title did not get off the best start after he was left in the bottom half of the table in the first round of the BMW Championship at Conway Farms on Thursday.

Rory McIlroy will try to defend his FedEx Cup title after deciding against sitting out the rest of the season to rest a persistent rib injury.

Graeme McDowell and Shane Lowry are among the players needing a good performance in the Wyndham Championship to qualify for the FedEx Cup play-offs.

Kevin Markham assesses the European Tour’s innovations designed to sex up golf.

You do not have to win the Tour Championship to top the FedEx Cup rankings and pick up the $10 million jackpot on Sunday night — but it sure helps.

Overnight leader Dustin Johnson survived an early wobble to win the BMW Championship at Crooked Stick and move top of the FedEx Cup standings with one event to go.

Jordan Spieth immediately set his sights on improving on an “unreal” season after clinching the FedEx Cup title with victory in the Tour Championship yesterday.

Jason Day has plenty of rivals at the moment, but very few peers.

The Official World Golf Ranking calculators are at it again.

The 2016 Olympic Games have forced the PGA Tour to make one-off changes in their schedule for the 2015-16 season.

The teeth have been ungritted, the mind opened to fresh thoughts and the mood modified to optimistic but whatever Graeme McDowell tries to get the better of Wentworth’s West Course, the Irishman admits he has something of a Marmite relationship with the place.

World number one Rory McIlroy has been voted PGA Tour player of the year for the second time in three seasons.

Rory McIlroy admitted he was looking forward to seeing the back of his golf clubs for a few days after failing to land the jackpot in Atlanta.

Billy Horschel won his second PGA Tour event and catapulted himself into FedEx Cup contention with victory at the BMW Championship in Denver on Sunday.

Rory McIlroy wasn’t having the best time on the golf course over the weekend, but his kind gesture left one young golf fan overjoyed.

Graeme McDowell will look to rid himself of the “sour taste” of the FedEx Cup play-offs by remaining in contention for the 10m US dollars first prize this week.

Graeme McDowell will sit out the Deutsche Bank Championship in Boston after becoming a father on Monday.

Rory McIlroy confessed he paid a price for celebrating three wins in succession, including capturing a fourth Major, rather than work on his game after shooting a 74 on the opening day of the Barclays Championship in New Jersey.

Rory McIlroy endured a nightmare start to his bid to make it four wins in a row as he reached the turn in a four-over 40 before picking up a shot on the way back in the first round at The Barclays.

Rory McIlroy endured a nightmare start to his bid to make it four wins in a row as he reached the turn in a four-over 40 in the first round at The Barclays.

Rory McIlroy has a greater appreciation for the achievements of Tiger Woods after claiming his second successive Major at Valhalla.

Rory McIlroy has a greater appreciation for the achievements of Tiger Woods after claiming his

Frustration grows and grows for Shane Lowry. Last week he dropped three shots in the final three holes of the second round of the US Open at Pinehurst to miss the cut by a shot and yesterday at Fota Island he lost his chance of regaining the Irish Open that he captured as an amateur in 2009 by finishing one over par for 36 holes at Fota Island.

Shane Lowry was well entitled to a wry smile over the last day or two as he heard just about everybody talk up Ireland’s prospects of a medal at the 2016 Olympic Games now that Rory McIlroy has declared for Ireland and Graeme McDowell has confirmed he will wear the green, white and orange in Rio.

Golf’s governing bodies will continue to use TV evidence in deciding upon rules violations, but will limit the role of the kind of “enhanced technological evidence” that saw Tiger Woods penalised earlier this year.

Henrik Stenson hailed a “dream season” as he claimed an historic double in fitting fashion by storming to victory in the DP World Tour Championship in Dubai.

Tiger Woods put the heat on the Golf Channel over analyst Brandel Chamblee’s insinuation of him cheating.

Jim Furyk followed up Friday's stunning 59 with a two-under 69 on Saturday to ensure he will take a one-shot lead into the final round of the BMW Championship.

Jim Furyk is coming to terms with his achievement after carding an historic 59 on day two of the BMW Championship in Illinois.

Jim Furyk hit a magical 59 as he surged into contention on day two of the BMW Championship in Illinois last night.

As European golf chiefs battle to retain sponsors and a healthy schedule their compatriots across the Atlantic are basking in the game’s high profile stateside.

“It wasn’t the best year for me at the majors but there is always next year. I feel progress has been good. I have been hitting the ball well and playing well. I hope there will be more positives by the end of the season.”

Graeme McDowell joined the PGA Tour after winning the 2010 US Open at Pebble Beach, making him eligible for the PGA Tour playoffs for the FedEx Cup.