"He'd be happy to revert to the role where he acts as a link between the coaching staff and the board."
Hughes, who became close friends with Grant while he was director of football at Pompey, added: "Avram is a student of football. I had countless conversations with him when he was here about Barca, their players and the way they play.
"It is well known Chelsea owner Roman Abramovich is an admirer of Barcelona and the football they play.
"He seems to be on a crusade to bring a similar brand of play to Stamford Bridge.
"A big reason for Jose Mourinho leaving was that Abramovich wanted to see a type of football the Special One was not delivering."
