4) Nick Kyrgios
Nick Kyrgios: (Image Source: Twitter)
Needless to say, the Australian tennis star is one of the best in business in the current era. With aggression, fire, passion, skills, energy and dreams, the ace tennis star bagged titles after titles to his name. Albeit the Australian is still considered to be the best in the modern era, there have been many shameful events where he has been directly involved. From abusing the match referee to breaking the rackets, the 27-year-old has been involved in all.
