Wenger 's squad finally ended Chelsea 's five - year hold over their London rivals .
The Gunners manager looks to have the necessary squad depth to launch a sustained Premier League title challenge after falling short over the past couple of years .
Wenger 's squad finally ended Chelsea 's five - year hold over their London rivals and the Gunners manager looks to have the necessary squad depth to launch a sustained Premier League title challenge after falling short over the past couple of years .