Overview

• Arsenal beat Olympiacos 2-0 at the Emirates to make it two wins from two in the Champions League group stage.
• Gabriel Martinelli opened the scoring and extended the run to 48 Arsenal matches unbeaten when he finds the net, per Squawka.
• Viktor Gyökeres is five games without a goal but his deflected effort led to Martinelli’s strike, with Arteta praising his pressing and link-up play.
• Martinelli voiced confidence in Gyökeres, saying the striker could reach 30 or 40 goals this season.
• Gabriel Magalhães was taken off after a knock in a precautionary change, with Arteta expecting him to be fine for West Ham as competition from Cristhian Mosquera grows.