Antonio Rudiger has been officially unveiled as a Real Madrid player after leaving Chelsea.  The German centre-back agreed on a four-year deal at the Bernabeu after leaving the Blues at the end of his contract.  Earlier in the day, the 29-year-old completed his medical at the Sanitas La Moraleja University Hospital.    It has been revealed that Rudiger will wear number 22 at Real Madrid, which is newly vacant following Isco’s departure this summer.  ‘It’s a very special day for …