Manchester United announced on Tuesday that they have completed the signing of Portugal forward Cristiano Ronaldo from Italian club Juventus.
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.