After 23 minutes, Celtic burst to life when David Turnbull fired his side in front. After Zlamal had conceded an indirect free-kick from a long back-pass, Christie rolled the ball to his colleague, before the 21-year-old midfielder struck low under the wall and into the net. Less than a minute later, Celtic made it two via Edouard following a sublime assist by Scott Brown – the captain sending a long ball from inside his own half in behind the Saints’ defensive line...