Arsenal continued their unbeaten start to the Premier League season with a win over Southampton at the Emirates. For the second consecutive week, Arsenal were handed a scare at home by a newly promoted side. After scoring late to beat Leicester City on match day six, the Gunners had to come from behind to overcome Southampton. Mikel Arteta’s side got the job done thanks to second half goals from Kai Havertz, Gabriel Martinelli and Bukayo Saka, cancelling out Cameron Archer’s opener. READ MORE: Five things we learned from Arsenal 3-1 Southampton as Mikel Arteta will regret one Gabriel Jesus dec…