As David De Gea is in sensational form, he has had to watch on from the bench but, with Jose Mourinho confirming the Spaniard will be rested against the Brewers, Romero is likely to get the chance to keep goal.
"I'm always ready and prepared for whenever the manager says that I have my chance to play," Romero told MUTV. "If it happens to be this Wednesday for the cup game, then great. Or, if not, whenever else it's my turn. I feel good in myself and I'm working hard for whenever he gives me my opportunity.
"The main objective is for things to go well for the club and for the team to perform well and achieve all the victories and success we need to. Then, on a personal level, it's quite natural that I need to play because you have the Argentinian national team, who are hoping for me to get some game time.
"But my own aims are very clear, enjoy and make the best of every minute that the manager gives me here. I'm always ready to play, I think I demonstrated that last year when I played 18 games and you saw how I did in those 18 games. I'm very happy and at ease at this club and the minute that Mr Mourinho tells me I'm starting, I'll be 100 percent ready to go.
"When the manager says to me: 'Sergio, you're in the side for this game', whether it's the league or the cups, or whatever, I'm prepared to show that that he can still have faith in me because I'm in good form."