Cristiano Ronaldo has already told Manchester City's latest addition Erling Haaland what he must do to avoid being a Premier League flop.
The 37-year-old has been at the peak of his powers for the best part of 15 years, winning multiple Champions League winners medals and respective league honours in Spain and Italy.
Last summer, Ronaldo made a sensational return to Manchester United and despite many predictions that he may struggle, he has 24 goals in 39 appearances this season.
Haaland completed his £51m move to United's cross-city rivals on Tuesday and will become a City player in July,subject to agreeing to personal terms.
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