Venus Williams
When Venus Williams turned pro at the ripe young age of 14, there were no doubts about whether she would become successful or not. She went on to make a name for herself on many occasions, some of which were: 7 singles Grand Slam titles and 14 doubles Grand Slam titles! Just like her sister, she is no force to be reckoned with on the court.
Stan Wawrinka
Meet the Swiss sensation who reached a career-high Association of Tennis Professionals world No. 3 singles ranking for the first time in 2014. So far he has won three Grand Slam titles at the 2014 Australian Open, 2015 French Open and 2016 US Open, where he defeated the world No. 1 player in all 3 finals; and a ATP World Tour Masters 1000 title at the Monte-Carlo Masters in 2014, as well as 2 other finals at the 2008 Rome Masters and 2013 Madrid Masters. Why rely on a make money now scheme when you’re got one of the most powerful backhands ever? Exactly.