Xavi has declared Barcelona the greatest team in the history of football!
Barca won the Liga and Champions League Double this season.
On Messi, he added: "He is the best player of all time - better than Pele, Maradona or Cruyff.
"We have to protect him as he is crucial.
"Without him we would not be what we are."
He added: "He (Guardiola) is very intelligent, very enthusiastic and very 'Barcelona-ish'.
"He is a great coach and I hope he stays forever, if not as coach then as sporting director or president."