Roger Federer. File pic

Madrid: A study prepared by the London School of Marketing has revealed that Swiss tennis superstar Roger Federer was the world's most marketable sports person in 2016.


Cristiano Ronaldo. File pic

According to the study, published by the Association of Tennis Professionals (ATP) website on Thursday, the former World No.1, currently ranked 17th, earned nearly $60.7 million last year despite his "slow year in terms of success in his sport".