Champions League review: Arsenal erupt, PSV stun Liverpool and Benfica revive

Arsenal rout Bayern to stake a claim as Europe’s best, Liverpool spiral again, Benfica revive under Mourinho, and Estevão dazzles on a crowded week of stars

Arsenal's Gabriel Martinelli celebrates with team-mates Cristhian Mosquera (left) and William Saliba (right)

The big winners 

- Bayern Munich’s unbeaten run and claim to be the best team in European football were both punctured at the Emirates. Arsenal ran rampant against an opponent who have handed them so much pain in the past.