chelsea boss jose mourinho had prepared specific tactics for dealing with the threat of manchester united midfielder marouane fellaini .
however , ahead of the game at stamford bridge , mourinho was told by a hotel doorman that fellaini would not be playing .
the doorman had seen who he had thought was fellaini pick up some tickets from chelsea forward eden hazard .
a google images search revealed that person to be fellaini 's twin brother .
fellaini did play against chelsea but was dealt with by kurt zouma .