Wilfried Nancy has been in the door at Celtic Park for less than a week, yet already the pressure surrounding his ideas, his structure and his debut defeat is building.
But inside the dressing room, the tone is very different, and crucially, far more united.
Kieran Tierney has now made it clear that the players are backing Nancy fully, not because it is convenient, but because the season demands it.
Celtic are fighting on four fronts, the schedule is relentless, and the margins at the top of the Premiership are razor-thin. Any hesitation, any lack of commitment to the new system, and the entire campaign could unravel quickly.
Tierney’s honesty cuts through the noise. He recognises the scrutiny, he feels the urgency, and he knows change takes time.
But he also understands that adaptation is not optional; it is the only route to success. Regardless of whether the outside world approves of Nancy’s 3-4-2-1 system or not, the players must embrace it wholeheartedly.
And that belief, according to Tierney, is already forming. He insists that the squad is working to absorb Nancy’s demands and that the process has begun with purpose, because quite simply, Celtic can’t afford for it to fail.
He said: (RecordSport), “Yes, 100 per cent, because we need to.
“We’re in a title race, we’ve got a cup final, we’ve got Europa League, we want to qualify through. So there’s no option.
“We need to get it right and we’ll be working and doing everything we can to do that. We’ve got work to do and we need to do it quick.”
Tierney’s comments are a strong counter to the narrative emerging elsewhere.
While pundits and columnists pick apart Nancy’s early tactical shifts, the players inside Lennoxtown are treating the challenge with urgency rather than alarm. Tierney’s message is clear: this isn’t a moment for panic or division, it’s a moment for collective responsibility.
He highlights the reality Celtic face. The title race is live. The Europa League group is finely balanced. A League Cup final is days away.
These are not circumstances where hesitation can be tolerated. Buying into Nancy’s blueprint is not about patience alone; it’s about survival at the top level. In Tierney’s mind, commitment and clarity must come fast.
It’s significant, too, that these comments come after a defeat. It’s easy to back a manager when the goals are flowing and the atmosphere is buoyant.
It’s much harder to speak with conviction when the first game has gone wrong and the pressure is already tightening. Tierney choosing this moment to reaffirm belief says everything about his leadership and the response inside the squad.
Nancy, for his part, has been calm and analytical in his post-match interviews. He has stressed performance over panic, structure over shortcuts, and long-term progress over short-term noise.
Tierney’s comments fit neatly into that mindset. The players understand the demands of the new system, and they accept the responsibility to make it work.
Celtic supporters may still be waiting to see the full vision Nancy wants to deliver.
They may remain unsure about the suitability of a three-at-the-back system in Scottish football. But what Tierney provides is reassurance: the dressing room is united, focused and aware of the stakes.
The next few matches will define the early tone of Nancy’s reign, but the foundations are being laid now.
If Celtic are to turn this season back in their favour, this attitude must lead the way.
Tierney has set the tone; now the team must follow it onto the pitch.
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