By Jamie Holt, Sports Correspondent
Former Manchester United midfielder Owen Hargreaves has completed a sensational move across Manchester to join rivals City on a one-year deal.
Despite boasting a wealth of defensive midfielders, Mancini is anxious to replace the recently retired Patrick Vieira, particularly important this winter as Yaya Toure takes part in the African Cup of Nations for Ivory Coast.
England international Hargreaves was released by Sir Alex Ferguson earlier this summer after an injury-hit four years at Old Trafford in which he made only 39 appearances for the club.
The Canadian-born defensive midfielder joined the red devils from German giants Bayern Munich in 2007 for £16million, but has since struggled with tendinitis in both knees.
His last appearance for United was a short-lived seven minutes against Wolves in November 2010 before limping off with a hamstring injury.
Hargreaves, who has 42 caps for England, has vowed he is back to full fitness, even publishing videos of his intense training regime on YouTube earlier this summer in the hope of finding a new club.
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