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Marketability is one of the best indicators of an individual athlete's success, and in the opinion of SportsPro, nobody measures up to tennis superstar Eugenie Bouchard in that regard.  

According to SportsPro's listing of the top 50 most marketable athletes in the world for 2015, the 21-year-old Canadian is atop the heap, with FC Barcelona soccer phenom Neymar checking in at No. 2.

Here is a look at the top 10, in which many different sports and nationalities are represented:

SportsPro lists several criteria for marketability, including value for money, age, home market, charisma, willingness to be marketed and crossover appeal.

There is no question that everyone on the list scores well in most of those areas. Also, the bulk of them are at or near the top of their respective sports, so doing well competitively is undoubtedly important as well.

Bouchard has yet to win a Grand Slam title, but she reached one final and a pair of semifinals in 2014. She is already one of the best women's tennis players in the world, and it seems as though it is only a matter of time before she breaks through.

That can be said for many of the athletes on the list as it is as much about potential as actual accomplishments.

Not all of them will fulfill their full potential, but it seems likely that most of them will be at the forefront of the sports world for many years to come.

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