Somewhere along the rocky rode he has travelled in recent years — maybe after back surgery pushed him to the sidelines, or maybe when his ‘glutes’ didn’t activate in San Diego; it’s so hard to keep track of his ailments, comebacks, and soap opera episodes — Tiger Woods let it be known that “Father Time was undefeated”.

The defining criteria for greatness is set in professional golf by how many major championships you have won.

PGA Championship play in the second round at Whistling Straits was brought to an abrupt and premature halt on Friday night as thunder and lightning storms forced a suspension in play with Australia’s Jason Day and Matt Jones leading the final major of the year.

"It would be great to hole a few more putts, because I feel like I’m giving myself plenty of chances."

"There’s plenty of chances out there and if I can convert a few hopefully there is a low score in me.”

Rory McIlroy insisted his head-to-head record against Jordan Spieth would count for nothing when the 97th US PGA Championship got underway at Whistling Straits today.

Intriguing personality, this Aussie Jason Day.

Martin Kaymer got ever so slightly aggrieved yesterday as he held court in the PGA Championship interview room at Whistling Straits.

No. 1, 408 yards, par 4:

Jordan Spieth tees off in the final major of the year at Whistling Straits with Rory McIlroy and his world number one ranking in his sights.

Rory McIlroy returns to the fray at the PGA Championship today, one ligament lighter than in his last competitive appearance and with a lot more to lose if Jordan Spieth continues his dominance of the 2015 majors.

How can you reasonably define a great golf course? 

Rory McIlroy will attempt to become just the second player in the modern era to successfully defend the US PGA Championship.

Tiger Woods has warned Rory McIlroy to be prepared for a tough week as he returns to action following an ankle injury to defend his PGA Championship title at Whistling Straits.

Dustin Johnson’s supporters say that what gets overlooked when you focus on the ending to his 2010 PGA Championship is how well he played to charge into the lead. 

Pádraig Harrington returns to the majors this week at Whistling Straits for the first time since last month’s Open near miss, fighting both the pain of a knee injury and the sense the clock is ticking on his ability to add to his title haul.

Bubba Watson is among the pre-tournament favourites for this week’s PGA Championship at Whistling Straits, where he has bittersweet memories of his performance at the links-style venue five years ago.

Clarke believes Rory McIlroy can contend for a fifth major title this week, despite his long injury lay-off.

World number one Rory McIlroy has confirmed his intention to defend his US PGA Championship title this weekend at Whistling Straits.

Rory McIlroy could have taken a longer, safer route to the 18th green at Whistling Straits. Instead he bounded down a steep hill like a mountain goat who’d just spotted a particularly juicy clump of grass.

First it was Rory McIlroy injured playing football and now fellow PGA Championship winner Pádraig Harrington fears injuring his knee playing tennis could see him miss next week’s championship at Whistling Straits.

Rory McIlroy has heightened speculation that he is close to a return to the golf course - by posting a video of himself on Instagram looking very much back on his feet.

World number one Rory McIlroy will not defend his WGC-Bridgestone Invitational title next week as he continues his recovery from an ankle injury.