The German international was a mainstay of the Real Madrid side last season but has found his opportunities more limited this season following the arrival of Fabio Coentrao.
This has alerted Chelsea who believe they may be able to tempt Khedira with a move to Stamford Bridge.
However, the central midfielder would also face stiff competition at Chelsea with Raul Meireles, Frank Lampard, Ramires and John Obi Mikel all vying for starting spots.
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