Ryan Gravenberch benefited from an error by Union Saint-Gilloise goalkeeper Anthony Moris to score his first goal for the club as Liverpool laboured to a 2-0 Europa League victory to make it two wins from two in Group E.
For all the attacking firepower at their disposal - and it was considerable with Mohamed Salah, Darwin Nunez and Diogo Jota boasting 248 goals between them - it was a 21-year-old former Ajax and Bayern Munich midfielder who had scored just nine in five years who popped up with the breakthrough at a crucial moment a minute before half-time.