Overview
- O'Neill underwent a
- small procedure
- in hospital on Wednesday and was discharged the following day, the club said.
- The 74-year-old visited the team's hotel before the match but was judged not fit to take charge at Rugby Park so he remained at home to convalesce.
- Assistant manager Shaun Maloney led the side at Kilmarnock and said O'Neill is 'definitely improving' while needing a few extra days to recover.
- Celtic have not revealed the nature of the operation and have given no definitive timeline for his return to matchday duties.
- O'Neill rejoined as permanent manager on a one-year deal in June after two interim spells and could be considered for the Premier Sports Cup tie against Dundee United next weekend if his recovery continues.