after Robertson's howler led to the Gunners taking the lead.Alexandre Lacazette opened the scoring for Arsenal after the Liverpool left-back made a hash of an attempted clearance.But his strike was cancelled out by Sadio Mane, before Robertson atoned for his error by firing the Reds into the lead, then substitute Diogo Jota completed the victory with a first goal for his new club.The Reds' defence has come under some scrutiny during the early games of this season, and there were a few nervy moments at Anfield.Arsenal's fast-paced attack of Pierre-Emerick Aubameyang, Willian and Lacazette were caught out several times by Liverpool's offside trap - which Sky Sports pundit Jamie Carragher admitted was making him "nervous".Klopp said afterwards.
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