Jason Day of Australia is tended to by medical staff after finishing the ninth hole, his last,  during the second round of the  US Open  at Chambers Bay  in University Place, Washington. Photo: Andrew Redington/Getty Images

The sight of one of his fellow contenders slumping to the ground, as happened to Jason Day on his finishing hole, wasn’t what Jordan Spieth had bargai(...)

Shane Lowry, of the Republic of Ireland, watches his tee shot on the 18th hole during the first round of the US Open golf tournament at Chambers Bay. Photograph: Lenny Ignelzi/AP Photo

As Tiger Woods was reduced to quipping jokes after a horrendous first round, an 80 that marked his worst ever score in a US Open, Shane Lowry was in f(...)

Phil Mickelson in action during the first round of the 115th US Open Championship at Chambers Bay. Photo:  Andrew Redington/Getty Images

The very first green provided an early snapshot of how it would go for golf’s most famous left-handers as Phil Mickelson and Bubba Watson watched the(...)

Rory McIlroy waits on the 16th green as a freight train passes behind during the first round of the US Open Championship at Chambers Bay. Photograph: Mike Ehrmann/Getty Images

No carnage, no heartbreak at Chambers Bay. In truth, as the 115th edition of the US Open got off to a slow, slow start – with first rounds stretching (...)

Rory McIlroy hits a tee shot during practice ahead of the start of the US Open at Chambers Bay. Photograph: David Cannon/Getty Images

Bravery? Or foolhardy? We’ll soon see. If the USGA’s decision in bringing this 115th edition of the US Open to a new, links-style course crafted ou(...)

Rory McIlroy: “If you look back at the last four or five years, I guess I’ve won more Majors than anyone else in that time.” Photograph: Harry How/Getty Images

The strut is back, so too the air of invincibility. Rory McIlroy has rolled into town on a mission and with a desire to rubberstamp his authori(...)

View of the par three third hole overlooking the Bay of Puget Sound at Chambers Bay golf course, Washington, United States. The course  hosts the 2015 US Open golf tournament. Photograph: Joe Robbins/Getty Images

The “R” word has been used a lot. In the locker room, and on the range; out the course too. On the ninth tee, the elevated one, Alastair McLean – a ca(...)

Tiger Woods’s form this season doesn’t make for pretty analysis. Photograph: Ross Kinnaird/Getty Images

Out early, earlier than anyone. Later, working on the range, drilling ball after ball. Once upon a time, it was a formula that worked its magic lik(...)

Tiger Woods hits a tee shot during a practice round prior to the start of the 115th US Open Championship at Chambers Bay. Photo: Ross Kinnaird/Getty Images

Is this how it is going to be? In a throwback to the game’s origins, Erik Compton studiously worked out the best route to the hole. He was 60 yards (...)

Martin Kaymer hits an approach shot during a practice round prior to the start of the 115th US Open Championship at Chambers Bay. Photo: Harry How/Getty Images

What did Graeme McDowell do? Only open the floodgates, if you must know; after a drought of European winners that dated all the way back to Tony Ja(...)