Martin O'Neill is poised to take a hard look at his future at Celtic after the club suffered a 1-0 loss to Rangers at Parkhead, a result that has intensified the debate over his continued role. The defeat followed a dominant 3-0 League Cup victory over the same opponents at Ibrox, and a tightly contested Scottish Premiership match in which Ryan Naderi’s first‑half goal had lifted Derek McInnes’ Rangers to within two points of the league leaders as the international break approached.

This is O'Neill’s second stint as the permanent manager of Celtic, having previously stepped in as interim boss on two occasions last season. The pressure on him mounted after a 3-1 defeat to Ferencváros at Celtic Park on Thursday night, a result that left many supporters and pundits questioning his tactics and overall direction. In the wake of that loss, the 74‑year‑old manager admitted he needed a period of self‑reflection. "I will genuinely reflect and see," the Northern Irishman told the press.

"It’s about whether I can still help the team. A manager’s job is to make a difference, and I’ll examine that this week." He went on to acknowledge that age might be a factor in his performance, adding a wry comment about his future longevity: "I’ll be 110 in two years’ time, so perhaps it’s time to wrap it up." He promised to discuss his thoughts with the board and consider taking a few days away from the club to gain perspective. When asked what he would do if his reflection concluded that he could no longer improve the squad, O'Neill responded cautiously: "By that time, I’ll promise you I’ll let you know. I don’t know yet.

I’ll have a look." O'Neill also addressed the growing negativity among Celtic supporters, acknowledging their right to be critical. "They’re absolutely entitled to voice their concerns," he said.

"I’m not immune to criticism – far from it. Everyone is asking, ‘Can you turn this around?

Can you change the whole thing?’" He reminded fans that Celtic still sat two points clear at the top of the table, urging a broader view of the season ahead. "We’re in a massive fight with Rangers and Hearts, who are still very much in contention. It’s a long season, and this isn’t the first time my tenure has been questioned.

I’ll reflect and see what’s best for the club." Former Celtic manager Neil Lennon weighed in on Sky Sports, noting O'Neill’s attempts to tweak the formation and make four changes at halftime in an effort to find a more fluid system. Lennon praised Rangers for being superior not just physically but technically, describing Celtic’s first half as an improvement but far from brilliant. He criticized the second half as "totally disjointed" and "outworked," saying the team looked battered and needed a reset during the international break. Sky Sports analyst Chris Sutton echoed the sentiment, stating that O'Neill would be deeply concerned by the performance.

"It wasn’t a close game; there was a massive gulf between the sides," Sutton observed. He remarked that he could not recall Celtic being so thoroughly outplayed at Celtic Park by Rangers.

"Celtic seemed to be making it up as they went along, while Rangers were better in every department. The defeat raises serious concerns about Celtic’s direction." The defeat has sparked a broader conversation about O'Neill’s long‑term suitability for the role.

Critics point to a pattern of inconsistent performances, while supporters argue that the manager still possesses the experience and tactical knowledge to steer Celtic back to form. The upcoming international break offers a natural pause, giving O'Neill time to assess his squad, consider potential adjustments, and decide whether a short sabbatical or a more permanent change is warranted.

Celtic’s board will likely meet with O'Neill in the coming days to discuss his reflections and the club’s strategic path forward. The decision could involve retaining O'Neill with a clear mandate to rejuvenate the team, perhaps by bringing in new coaching staff or altering the recruitment strategy, or it could lead to a mutual parting of ways, allowing the club to search for fresh leadership. Regardless of the outcome, the club faces the challenge of maintaining momentum in a fiercely contested league where Rangers, Hearts, and other rivals are all eager to close the gap. The next few weeks will be crucial for Celtic’s ambitions, both domestically and in European competition, as the team seeks to regain confidence and consistency after a series of disappointing displays.

Fans, analysts, and former players alike will be watching closely to see whether O'Neill decides to step aside, adapt his approach, or double down on his commitment to Celtic. The decision will shape the club’s trajectory for the remainder of the season and potentially influence its long‑term strategic direction.