Roberto De Zerbi could only watch in stunned silence. The Italian had been a crucible of emotions as Tottenham tried to hold out against his former club after Xavi Simons scored the goal that looked like ending their long wait for a victory. But football is capable of providing the cruellest twists and Georginio Rutter’s late dramatic equaliser must have felt like a dagger to the heart for De Zerbi and the Tottenham fans.