A Man City attacker will have a vital role to play at Old Trafford.

There are a host of players who have the potential to decide today’s Manchester derby. From a Man City perspective, one of those is Omar Marmoush. The Egyptian international has made a bright start to life at the Etihad. He has already scored 6 goals in 12 appearances in all competitions for Pep Guardiola’s side. But looking at today’s match the movement and attacking threat of…