Martin O’Neill delivered a little piece of history in what will surely be his final European fixture as a manager. He created such wonderful memories for Celtic’s support in this domain during his first tenure that departing with a smile felt appropriate. In Stuttgart, Celtic won their first competitive game in Germany. It took them 17 attempts. “The evening is nothing to do with me,” said O’Neill with needless self-deprecation.Luke McCowan’s goal inside 30 seconds was irrelevant in the broader context of this tie. Stuttgart’s 4-1 canter in Glasgow a week earlier ensured that. Still, a game that had the whiff of irrelevance for Celtic delivered unexpected cheer. The statistics will show Stuttgart spent much of the evening camped in Celtic’s half – the hosts had 24 attempts at goal – but the Scottish champions played with a diligence and discipline that is worthy of huge credit. Sebastian Tounekti should even have delivered a second Celtic goal in the closing minutes. By then, Stuttgart...