Celtic manager Martin O'Neill, aged 74, underwent a minor medical procedure and remains hospitalized as of today, August 13, 2026. The club expects him to be released within the next day or two following the operation that took place on August 5 [1, 2, 3].
O'Neill signed a one-year contract in June this year to become Celtic's permanent manager after serving as interim boss last season [1, 2, 3]. He led the team to a Scottish Premiership and Scottish Cup double in the previous season, adding to his successful tenure [1, 2, 3].
During his earlier spell at Celtic from 2000 to 2005, O'Neill won a domestic treble and guided the club to the 2003 UEFA Cup final, cementing his reputation as a highly accomplished manager [2, 3].
The club issued a statement saying, "We can confirm that Martin O'Neill has undergone a small procedure in hospital. We would envisage Martin being released from hospital in the next day or two and on behalf of Martin, we would like to thank supporters for their kind wishes" [2]. They also requested respect for O'Neill's and his family's privacy during his recovery [1].
Celtic will monitor O'Neill's condition closely as he continues his recovery in hospital, with the hope he will return to the club soon.