Ronaldo motivated by challenge of maintaining goalscoring form
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![Ronaldo motivated by challenge of maintaining goalscoring form](http://static.goal.com/2797500/2797502_gallery.jpg)
![Real Madrid forward Cristiano Ronaldo Real Madrid forward Cristiano Ronaldo](http://static.goal.com/2797500/2797502_thumb.jpg)
The Portuguese striker has netted 35 goals so far in 2015/16, but his side are out of the Liga running and have only the Champions League left for the chance to win a title