US Open 2015: first round – live!

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2.22pm BST

A new generation has taken over at the top of professional golf. This isn’t exactly breaking news, a super-soaraway Guardian world exclusive, but let’s have a think about it anyway. The world number one, Rory McIlroy, has only recently turned 26 years old. He’s got four majors to his name, and is the current Open and PGA champion. He’s one hell of a competitor, battle-hardened by many successes and the occasional widescreen failure. He’s experienced just about everything in golf already. A force of nature, a prodigy, a genius.

And oh look! Here comes another in Jordan Spieth! The young Texan won’t be 22 for another month, but already he’s got a green jacket hanging in his locker at Augusta National. Meanwhile the defending champion this week, the reigning US Open champion and former PGA and Players winner Martin Kaymer, has only just turned 30. Factor in the new Players champion and links disciple Rickie Fowler (26), perennial major bridesmaid Jason Day (27), glorious hothead Patrick Reed (24), glorious hothead Dustin Johnson (30), rising star Hideki Matsuyama (23) and breakthrough waiting to happen Brooks Koepka (25) ... well, that’s quite a few potential winners of the 2015 US Open right there. It’s a young scene.

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