Parkhead manager Wilfried Nancy has insisted he is still "in unison with the board" and expresses belief that "the team can turn things around" in the face of a concerning 3-1 loss to Rangers, which represents a sixth loss in their last eight outings.
The French manager praised an "exceptional" first-half performance from his side, a period in which they took the lead through Yang Hyun-Jun and spurned several other clear chances.
However, their Glasgow counterparts fought back after the break, exposing the home side's defensive fragility with a two goals from Youssef Chermiti and a final strike from Mikey Moore.
This result means Rangers move level on points with their rivals Celtic, who could end up six points adrift leaders Hearts depending on the evening result.
Addressing the media, Nancy commented, "It was disappointing because we merited a better outcome today, but again we required more goals."
"In the second half, we conceded three goals from set-pieces. It's difficult to accept, but it's reality. This is not about the players or the game plan, this is about moments."
"This is not about me, this is about letting down the fans because I understand the significance of this game. I can appreciate the disappointment, but I also saw what we're capable to do."
"I believe we are really close, there are many things that can turn around. If it was not the case, I would not speak like this. I really believe we can turn things around."
He concluded by reiterating, "We are together with the board."
Former Scotland midfielder Michael Stewart offered a harsh analysis: "Untenable position for Nancy. He looks like a broken man. The disconnect between the manager and the team is so obvious."
"It is not something that can continue and it should not have happened. The people on the board who facilitated this should be shown the door as well. Celtic are in an absolute state."
Former Celtic goalkeeper Pat Bonner identified the problem: "The problems are not high up the pitch for Celtic, the problems are the shape at the back and the ability to defend."
Former Rangers striker and coach Billy Dodds added: "As much as Rangers have done the right things in this second half, Celtic have been just brutally bad."
"Celtic have just capitulated. Something has to change, there is no doubt."
Former Celtic striker Chris Sutton concluded: "We've seen this movie before with Nancy's Celtic."
"You can score, but you've got to defend. This team doesn't do that."
The full-time mood among the fanbase was one of anger and calls for action.
Pete: First 45 minutes looked promising, post half-time we looked like a pub team. Nancy has one way of playing and can't adapt. Get him out now!
Iain: It's very clear for all to see that Celtic cannot play to Nancy's style. These players are not bad players all of a sudden. The answer is obvious.
James: The board are completely to blame. I feel sorry for Nancy as he should never been appointed in the first place, but he'll be used as the fall guy. We don't have the players for his system.
Andy: Nancy has to go. I've been one of those wanting to give him a chance, but there is no progress. He has a formation that he refuses to alter. We've been beaten by a mediocre Rangers team. Nancy must go.
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