Sheffield United boss Chris Wilder admits Wes Foderingham's place is under scrutiny.
The veteran goalkeeper has been at fault for goals against Luton and Chelsea over the past week.
Wilder said: "He'll feel it and understand it and he has to get over it. Everyone's been in that period as a player.
"I've had to suffer and everyone has to suffer. We can't shy away from it and he'll be the first to admit that maybe there were situations that we could have handled a little bit better but it's the life and times of a goalkeeper.
"There can't be knee jerk reactions but players have got to play well to get in the team and stay in the team. If we have people knocking on the door we have to look at all the options. I have to put out my best team. It's not a leave our best players on the bench moment. I've never got that.
"There might be times to rest players, in cup competitions or when they have knocks or whatever, but not at Man City, I'm not leaving my best players out. I am a little bit nuts at times but I'm not that insane. Of course, players have got to play well to get in the team and play well to stay in the team. Everything is up for grabs."