Barcelona have completed the signing of Wayne Rooney for a world record transfer fee of £83 million. After weeks of speculation, the world and European champions held off a late bid from affluent Premier League side Manchester City, thought to be in the region of £95 million. Barca boss Pep Guardiola has said he is delighted with his new signing and revealed that Wayne Rooney could make the starting XI for Saturday's crucial clash with Real Sociedad. Guardiola told Sky Sports: "When you see potential in a player you have to act fast and this is a star who has an eye for goal, can pass with either foot and is comfortable in many positions. "People say it is a lot of money, but you cannot put a price on quality and our new signing has the potential to be one of the greatest." He added: " Wayne Rooney is in great condition and could be ready straight away to play against Sociedad." Barcelona could find themselves 10 points behind leaders Real Madrid by the time they kick-off on Saturday (9pm Sky Sports HD4) as Jose Mourinho's men travel to Getafe in the 7pm kick-off, which is also on Sky Sports HD4.