CELTIC MANAGER MARTIN O’Neill is recovering in hospital after undergoing a “small procedure”. Celtic expect the former Ireland manager to be released from hospital ahead of the club’s trip to Kilmarnock on Sunday. Advertisement“In response to speculation, we can confirm that Martin O’Neill has undergone a small procedure in hospital,” said a statement on the Celtic website. “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. He led Celtic to the Scottish Premiership title last term thanks to a dramatic final-day win against Hearts and also won the Scottish Cup.