The decisive Carabao Cup final moment came, as it turned out, just a few seconds before the 120-minute mark had been reached.
With the most pulsating and gripping of 0-0s heading towards a shoot-out showdown, Thomas Tuchel would reach for his apparent 'ace in the hole'.
Despite being a man-of-the-match contender, Edouard Mendy, who had earlier made the most inexplicable save to deny Senegal compatriot Sadio Mane, was hauled off in favour of second-choice goalkeeper Kepa Arrizabalaga.