Rory McIlroy   returns to action at the Deutsche Bank Championship on Friday. Photograph:  Kevin C Cox/Getty Images

Where once it looked as if Rory McIlroy’s ownership of the world number one spot would be long-term, with the potential to rival the longevity of T(...)

Jason Day of Australia plays a shot from the rough on the 12th hole during the final round of The Barclays at Plainfield Country Club. Photograph: Hunter Martin/Getty Images

Red-hot PGA Championship winner Jason Day of Australia romped to victory at The Barclays on Sunday, winning the opening event of the lucrative FedExCu(...)

Jason Day of Australia reacts as his  eagle putt on the 16th green drops during the third round of The Barclays at Plainfield Country Club  in Edison, New Jersey. Photograph: Ross Kinnaird/Getty Images

US PGA Championship winner Jason Day and Sang-moon Bae of South Korea fired matching scores of seven-under 63 in a Saturday shoot-out to share the thi(...)

Bubba Watson of the United States watches his birdie putt on the 18th hole during the first round of The Barclays at Plainfield Country Club. Photograph: Hunter Martin/Getty Images

Bubba Watson charged into a tie for the first-round lead at The Barclays on Thursday while newly crowned world number one Jordan Spieth struggled to h(...)

Jason Day with Jordan Spieth: “It’s going to be tough to unseat Jordan because he’s played such amazing golf this year.” Photograph: Jamie Squire/Getty Images

Newly-crowned PGA champion Jason Day sees the FedExCup play-offs as the opportunity for a challenge to world number one Jordan Spieth in the voting fo(...)

An emotional Jason Day celebrates his PGA Championship win with his mentor and caddie Colin Swatton who has coached the  Major winner since the latter was 12.  Photo: David Cannon/Getty

I remember the first time I laid my eyes upon this year’s PGA Champion back in 2008 as he strode purposefully across the range at the Riviera Country (...)

Jason Day  with his caddie Colin Swatton on the 18th green after winning the 2015 PGA Championship  at Whistling Straits, Sheboygan, Wisconsin, on Sunday. Photograph: Jamie Squire/Getty Images

No standing still. Ever. As golf’s newest Major champion has discovered, the desire for more is insatiable. And, although Jason Day’s journey to a (...)

An emotional Jason Day  with his caddie Colin Swatton on the 18th green after winning the 2015 US PGA Championship  at Whistling Straits  in Sheboygan, Wisconsin. Photograph: Richard Heathcote/Getty Images

An emotional Jason Day reflected on the deep sacrifices made by his mother after winning the US PGA Championship at Whistling Straits on Sunday to cla(...)

Jason Day celebrates after winning the 2015 PGA Championship at Whistling Straits. Day held off Jordan Spieth to win his first major title. Photo:Jae Hong/PA

Finally, deliverance day arrived for Jason Day! The 27-year-old Australian - who had no fewer than nine top-10s in past major championships - discover(...)

Jason Day of Australia plays a bunker shot on the 15th hole during the third round of the 2015 PGA Championship at Whistling Straits. Photo: Richard Heathcote/Getty Images

Someone lit the fuse, and how. After the thunder and lightning storm of Friday night, Saturday brought us a different kind of fireworks here at Whi(...)