‘There was just this pull about Celtic’: What Martin O’Neill told me about why he came back, why he couldn’t sleep the night before his first game, what he told his new players and the hardest part of accepting the job, reveals GRAHAM SPIERS

Heavily cushioned in his plush Glasgow hotel, Martin O’Neill didn’t sleep a wink on Tuesday night prior to facing Falkirk in his near-miraculous comeback as interim manager of Celtic...