Chelsea responded to a troubling week with a superb 3-1 win at Aston Villa to reach the fifth round of the FA Cup and put a smile back on the face of Mauricio Pochettino on Wednesday.
Pep Guardiola is sweating on the fitness of Jack Grealish and Bernardo Silva after the Manchester City pair limped off during the 3-1 Champions League win over FC Copenhagen on Tuesday.
