Read how it all unfolded in Sports Mole's minute-by-minute live commentary of the action below.
SPORTING LISBON (4-3-3): Ribeiro; Ristovski, Coates, Andre Pinto, Acuna; Petrovic, Gudelj, Battaglia; Bruno Fernandes, Montero, Nani
ARSENAL (4-2-3-1): Leno; Lichtsteiner, Sokratis, Holding, Xhaka; Guendouzi, Elneny; Ramsey, Mkhitaryan, Welbeck; Aubameyang
3 - Arsenal have lost each of their last three European away games against Portuguese clubs:— OptaJoe (@OptaJoe) October 25, 2018
Dec 2008: 0-2 vs FC Porto (Champions League)
Feb 2010: 1-2 vs FC Porto (Champions League)
Nov 2010: 0-2 vs SC Braga (Champions League)