Martin O'Neill has signed a one-year permanent contract to remain manager of Celtic, including an option to extend for another year. The 74-year-old secures the role after leading the club to a domestic double, including a final-day victory over Hearts to clinch the Scottish Premiership title.

O'Neill's return came in two separate interim spells following Brendan Rodgers' resignation and the brief 33-day tenure of Wilfried Nancy. He erased a six-point deficit to win the league and lifted the Scottish Cup at Hampden Park, adding two trophies to the seven he won during his first spell between 2000 and 2005.

Board members and shareholder Dermot Desmond chose O'Neill over former player Robbie Keane. This decision avoids further friction with fan groups who opposed Keane's appointment due to his ties to Maccabi Tel Aviv and his decision to stay in Israel during the Gaza conflict.

This appointment stabilizes a club that faced recent chaos and board unrest. O'Neill now manages a squad tasked with defending their league crown after a season defined by high volatility and a late surge for silverware. He returns to a permanent role with a domestic double as his credential.