Rory McIlroy must make sacrifices to fulfil early promise

He wanted to be recognised as the best golfer in the world, something he duly achieved on March 4, 2012, when he became the No1 ranked player.
A little shy of 10 years later, the affable McIlroy’s roll of honour includes a US Open (2011), two US PGA Championships (2012, 2014), and the Open (2014), but with his disappointing show once again at the US Open this week, it begs the question — have we already seen the best of this immensely talented golfer?