Manchester City have been waiting some time for their Ilkay Gundogan replacement to show he’s capable of stepping into his shoes but they finally got to see it on Sunday. It’s not often Manchester City feel the impact of a player leaving the club. Most of the time City themselves have felt it’s the right time to move a crucial star on. Whether it be a departing legend like David Silva, Fernandinho or Sergio Aguero or a player in their prime moving to pastures new such as Raheem Sterling, Leroy Sane or Gabriel Jesus, City have always improved after their exits. You have to go back to Vincent Ko…