"Because if his methods are questioned by the senior pros at Stamford Bridge, it could all go very wrong, very quickly.
"For a club of Chelsea's stature and expectations to appoint a 33-year-old manager with next to no experience is an astonishing gamble.
"I can only wish Villas-Boas the very best of luck when he arrives from Porto.
"He is going to need it.
"Carlo Ancelotti won the Double and was sacked a year later.
"So Villas-Boas starts his new job knowing he could be out of work if he does not deliver the Champions League straight away.
"That is a ridiculous amount of pressure to heap on a manager, who is the same age as some of the players he will be coaching next season."