straight to your inboxPep Guardiola thinks that Sergio Aguero still has to earn a new contract at Manchester City just like he does.The club record scorer is in the final year of his deal at City, but after so many years of consistently high performances the Blues will not be pushing him out of the door.However, Aguero’s appearance against Arsenal was his first since June and the club are keen for him to show that he is over his injury problems, while the possibility of signing Lionel Messi on a