There was no need for any further validation, but Jordan Spieth conclusively proved he is the latest superstar of golf by winning the US Open at the weekend — making him a back-to-back major champion after his Masters triumph in April this year.

To win two majors at the age of 21, and emerging as the biggest challenger to 26-year-old world No. 1 Rory McIlroy, just shows how frighteningly good today’s generation has become. Really, before Tiger Woods, it was almost impossible to imagine someone in his 20s dominating the game in such fashion.

Spieth is not done yet — not for his career, and definitely not for what is shaping to be a history-making season for him. Now that he is halfway there to the Grand Slam, he will be one heck of a motivated player at St Andrews when the Open Championship gets under way in three weeks.

I quite like his chances at the Open. He has been solid in his previous two appearances at Muirfield and Royal Liverpool, but it will be a different Spieth on view this year. He is brimming with confidence and, by handling Chambers Bay the way he did, he has shown his game is good enough for links golf.

Obviously, the presence of Michael Greller on his bag was vital for Spieth in winning the US Open. Greller started his career at Chambers Bay and knew the golf course better than any competitor or caddie. He would have had great advice for Spieth on where to hit and, more importantly, where not to hit on a course like that.

But Spieth still had to execute the shots all by himself. More impressive was the way he putted on surfaces that deserve the criticism they have got from the players.

I wasn’t there, but from what I could make out on TV and by speaking to some of the players, the inconsistency and the state of the greens were appalling for a tournament like the US Open. I am all for courses being unique and tough, but Chambers Bay was not the best venue for the spectators (who were not allowed on certain parts of the course as the mounds were deemed too dangerous) and the players — at least in its present state.

Apart from Spieth, there were a few other standout performers.

Jason Day was awesome, especially after what happened to him on the second day. The after-effects of the vertigo attack were clearly visible the next two days, but Day was utterly brave and brilliant in getting back into contention despite that and completing the tournament.

It was also very pleasing to see my good friend Louis Oosthuizen back in business in the way only he can. To be languishing at nine-over for the tournament in the second round, and yet finish tied second at four-under par, that is just phenomenal golf. When Louis starts making birdies, he is virtually unstoppable.

Every story of triumph also ends in tragedy for someone, and the two players who would feel hard done by are Dustin Johnson and Branden Grace. Both were brilliant for 71 holes and will rue their mistakes on one hole — Johnson for his three-putt par on the final hole and Grace for his out-of-bounds tee shot on the 16th on Sunday.

— Jeev Milkha Singh is a four-time champion on the European Tour