Antonio Rudiger believes Chelsea have changed beyond recognition despite his exit from the club being less than a year ago.
The 30-year-old German centre-back moved to Madrid last summer after five years with the Premier League Blues, and since the switch, Rudiger has slotted seamlessly into Carlo Ancelotti's side.
Real Madrid face Chelsea in the Champions League quarter-finals over the next two weeks, but the ex-Blues defender has noticed how much they have changed since his departure.
Thomas Tuchel was fired as manager, but replacement Graham Potter was also axed, so Frank Lampard takes charge until the end of the campaign.