Manchester United manager Ralf Rangnick explains why he is not worried about Cristiano Ronaldo

Ralf Rangnick is confident Cristiano Ronaldo can inspire Manchester United to another victory as they attempt to reach the quarter-finals of the Champions League for the third time in the last 10 years.

Ronaldo scored his second United hat-trick in the uplifting 3-2 win over Tottenham on Saturday amid speculation over his future at the club. Rangnick is believed to have doubts about Ronaldo's role at United and has advised the club to target a younger striker in the summer transfer window.

Ronaldo turned 37 last month but has struck 18 goals in 31 games since he rejoined United, all of them coming in the Premier League and the Champions League.

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The Portuguese plundered hat-tricks against United's last 16 opponents, Atletico Madrid, with Real Madrid and Juventus in the Champions League knockout stage and Rangnick is optimistic Ronaldo can produce a performance similar to his matchwinning exploits at the weekend.

When asked if he was concerned about Ronaldo starting again three days after a taxing match, Rangnick replied: "I'm not worried that he has not been able to recover so far. He's always been a person who looks quite a lot after himself, his body, he knows exactly what to do. So I'm not worried about that.

"If he can score another three goals, we'll see. It's not easy to score three goals against this team at all. His overall performance was just good, very good, and this is obviously what we hope to get from him again tomorrow night."

United are level at 1-1 with Atletico on aggregate after a fortuitous draw in the first leg when Rangnick started Victor Lindelof as an auxiliary right-back and played without a recognisable defensive midfielder. Atletico have