Martin O’Neill has stepped in as the interim manager of Celtic Football Club, taking over after Brendan Rodgers' unexpected resignation. O’Neill, who previously led the club from 2000 to 2005, brings a wealth of experience and a deep emotional connection to the team. His appointment comes at a critical time, with Celtic struggling in the Scottish Premiership and facing challenges in European competitions. The club's board sought O’Neill's familiarity with Celtic's culture and expectations to provide immediate leadership. During his six-week tenure, O’Neill oversaw a notable improvement in team performance, emphasizing defensive organization and structured attacking play. Despite his success in stabilizing the squad, the board is actively searching for a long-term replacement. O’Neill was clear about his temporary role but expressed willingness to lead the team into the Premier Sports Cup Final if necessary. Ultimately, he stepped aside in December 2025, allowing the club to pursue a permanent managerial appointment as they look to reshape the squad and regain their competitive edge.