Cristiano Ronaldo has redefined the notion of 'world class', energising the tired term and catapulting it to a far higher plain. He has reinvented the manner in which we digest football numbers. Ronaldo has – albeit with the aid of Lionel Messi – driven back the boundaries of footballing capability. Cristiano Ronaldo is full of energy despite the rough weather during Real Madrid's training session at Anfield The Portuguese star shows off some of his skills as Real gear up for their seismic clash with Liverpool Raheem Sterling gets a handshake from Mario Balotelli (left) during Liverpool's run-out at Anfield
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Ahead of Champions League showdown at Anfield, Sportsmail compares Sterling to a rookie Ronaldo during his early years at Manchester United…
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Cristiano Ronaldo has scored 271 goals in 258 games for Real Madrid
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At 19 years of age, Raheem Sterling has taken the Premier League by storm
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'I really look up to Ronaldo, he is someone that has always been an idol to me,' says Liverpool star Sterling
Sterling's shooting accuracy (56.9 per cent) is vastly superior to @placeholder (41.7 per cent) at the same age
@placeholder was still 20, but a little older, by the time he reached that mark.