It comes after a 2-0 defeat to Motherwell at Fir Park this evening.
Ibrahim Said and Elliot Watt got the goals for Jens Berthel Askou’s side.
“It was not a good performance because, yes, we lost the game, but we had difficulties today regarding the opposition we faced,” Nancy told BBC Sportsound post-match. “Second half, we were more front-footed at the good moments.
“In the second half, it was better in terms of aggressing them [Motherwell].
“My players want to do well, I have no doubt about that.
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“I think the message is getting across, but after that, when we faced adversity today, there is a bit of doubt, because of the adversity.
“After that, we made many mistakes technically.
“I will watch the game [back] to see what we need to improve.
“I need to see my players. I need to see them in this situation. I also need to rest a few players. This is the reality.”
The Frenchman was then pressed on whether he plans to strengthen his squad in the January transfer window, which opens on Thursday.
He said: “This is the idea. Now we’re going to see which players, who, and when we’re going to do it.”