#1 Cristiano Ronaldo (Real Madrid) - €1 Billion
Considered to be the best ever by several pundits, Ronaldo has proven people wrong time and again. The Portuguese has had a £886 million release clause for a few years now according to his agent, Jorge Mendes's statement in 2015.
Source: www.dailymail.co.uk/sport/football/article-2937608/Cristiano-Ronaldo-1BILLION-release-clause-admits-super-agent-Jorge-Mendes
The five time Ballon d'or winner left Manchester United for Real Madrid in 2009 and has not looked back since then, going on to win a host of trophies along with innumerable individual laurels.
A complete player in every sense of the word, Ronaldo has pace, power, agility and strength as his main attributes. He has scored goals of all forms in his long spanning career.
Now at the age of 33, He is at the end of his prime years but is still hungry for more. Ronaldo recently said that he is very happy at Real Madrid, so it will be interesting to see what path his career takes from here.