straight to your inboxRio Ferdinand believes the return of Sergio Aguero could be crucial for Man City ahead of the Manchester derby this weekend.City take on United on Sunday and find themselves in seventh, a point and a place behind their rivals. Despite four wins in a row, Ole Gunnar Solskjaer's team go into the game on a low after being knocked out of the Champions League in midweek with a 3-2 loss to RB Leipzig.