Emirates Stadium side take the lead against Turkish giants.
Chilean works his magic out wide before cleverly finding Danny Welbeck, who slots home.
Alexis Sanchez video: Chilean shows great skills
Would Olivier Giroud struggle to get back into Arsene Wenger’s attack at this rate?
Danny Welbeck calmly slots home for Arsenal's first against Galatasaray https://t.co/mUZDqbm1y8
— GoalClips (@GoalClips) October 1, 2014