By Tom Gott Mauricio Pochettino has admitted Chelsea learned they must “compete in different way” as they bounced back from some miserable form with an emphatic 3-1 victory over Aston Villa. The pressure was well and truly on Pochettino after two games which saw Chelsea thoroughly humbled by both Liverpool and Wolves, but Chelsea responded with a sensational performance that saw them breeze past Villa and into the fifth round of the FA Cup. “The difference, I think the performance was really good. We really feel good because we realise that we need to compete in different way,” Pochettino refl…