Mourinho branded the current Barca team the "worst in years" before their win at Champions League opponents Manchester City last night.
"This team has done so much - won so much. Today was one of those days where everybody was saying 'this isn't the same Barcelona'. Some people were talking a bit too much as usual," Cesc said.
"They will have to shut up for a few days."
For breaking stories and all the great banter like us on Facebook: facebook.com/tribalfootball