A little while after Liverpool had lifted the Premier League trophy at a near-empty but electrified Anfield in July 2020, ending that 30-year wait for the title, something caught the attention of observers inside the ground. All players and staff had departed down the tunnel before one suddenly reappeared: Divock Origi. He walked towards the centre circle and, amid the ticker tape, put his arms behind his back and fixed his gaze on the Kop. It was a curious sight but also, it felt, a telling one – this was the Belgian’s way of saying goodbye.