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But Boateng believes the Portuguese superstar will hit usual scoring heights but hopes he doesn't start on Sunday when his side engage the league champions on matchday 4 of the campaign.

“He just needs to break his duck,” Boateng told Sky.

“After that he’ll get his usual 30 goals per season, but I hope he doesn’t start against us. We’ll need to play the perfect match against Juve and hope they’re not at their best.”