#1 Pete Sampras
Now, this should actually be a no-brainer. When one of the greatest players of all time sings praises of your ability and says that he might be interested in coaching you, there should not be second thoughts. Especially when that player is none other than Pete Sampras who has actually refrained from coaching players of even commentating on tennis matches for the dislike of travelling so far.
Read more: Pete Sampras says he would like to coach Nick Kyrgios
The 14-time Grand Slam winner admitted as much in a recent interview where he also stated that he might be interested in mentoring Grigor Dimitrov, the Bulgarian sensation who was once hailed as the next Roger Federer.
Nick Kyrgios would do well to beat Dimitrov to clinch the services of Pistol Pete. If this partnership does come into being, it could be extremely interesting. Sampras, who shied away from controversies and emotional outbursts during his exceptional career, will be tasked with keeping in check a player who is the exact opposite.