Manchester United boss Ole Gunnar Solskjaer has welcomed the return of Cristiano Ronaldo.
United have paid 15m euros (£12.85m) - and a possible 8m euros (£6.85m) in add-ons - for the 36-year-old.
Ronaldo has signed a two-year contract with the Old Trafford club, with the option to extend for a further year.
He scored 118 goals in 292 appearances in his first spell at United before leaving for Real Madrid in 2009.
Solskjaer said: You run out of words to describe Cristiano. He is not only a marvellous player, but also a great human being.
"To have the desire and the ability to play at the top level for such a long period requires a very special person. I have no doubt that he will continue to impress us all and his experience will be so vital for the younger players in the squad.
"Ronaldo's return demonstrates the unique appeal of this club and I am absolutely delighted he is coming home to where it all started."
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