Neymar will become the best in the world - Eto'o
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![Neymar will become the best in the world - Eto'o](http://static.goal.com/2448400/2448482_gallery.jpg)
![Barcelona forward Neymar Barcelona forward Neymar](http://static.goal.com/2448400/2448482_thumb.jpg)
The former Barcelona and Chelsea forward has urged the Brazilian to "train, train and train" to ensure he emulates Lionel Messi and Cristiano Ronaldo