Hapless Chelsea duo Edouard Mendy and Antonio Rudiger were singled out for criticism by Joe Cole after their mix-up resulted in a third goal for Real Madrid.
Both players failed to clear the ball with the Blues trailing 2-1 in their Champions League quarter-final first leg tie, allowing Karim Benzema the easy task of slotting in.
The mistake saw the visitors ease further in front at Stamford Bridge, leaving Thomas Tuchel's side with a mountain to climb, and Cole admitted the pair got it 'wrong'.
Speaking on BT Sport after the final whistle, Cole said: 'The next goal in the tie is crucial.