(Reuters) - Manchester United captain Harry Maguire hailed Cristiano Ronaldo's return to the club and said the "greatest player to play the game" will have a huge impact at Old Trafford.

The 36-year-old Portuguese forward spent six seasons at United between 2003-09, winning eight major trophies, and rejoined the club this week from Juventus on a two-year deal with the option of an additional year..