Dolgopolov85
G.O.A.T.
It's too soon to write off Kyrgios. Fed was a bit of a mess in his late teens too. And his forehand wasn't quite such a fearsome weapon; it improved from 2001 through 2003. But Kyrgios already has one championship winning shot and that's his serve. If he gets it together, he could soar well past Coric. Coric is trying to imitate a game that Djoko/Murray have already mastered. Kyrgios is on a different route. The great champions of the game have also been players who changed the game in some way. Lots of people have the right mentality and work ethic at the highest level but it takes something extra to attain greatness. Worst case scenario is Coric remains merely a poor man's Nole and struggles to win big while Kyrgios remains a headcase. I hope THAT doesn't happen.