The move comes as a surprise with City failing to sign a replacement striker on transfer deadline day.

They were linked with a move for Monaco striker Radamel Falcao but it became apparent by midday that the Colombian was heading to local rivals Manchester United.

Manuel Pellegrini even allowed back-up striker - John Guidetti - to join Celtic on loan leaving him with just three senior forwards - Edin Dzeko, Sergio Aguero and Stevan Jovetic.

However, injuries and loss of form hindered his impact and he was omitted from the Spain squad for the World Cup in Brazil.

He will spend the season at the Mestalla and the La Liga club have an option to make the move permanent next summer for £20m.

The 29-year-old made a blistering start to his City career scoring 23 goals by the turn of the year

Negredo, nicknamed 'The Beast', joined the Citizens last summer from Sevilla for £16.4m

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