Three things we learned from Arsenal trashing Man City in Community Shield

Riccardo Calafiori scored inside 30 seconds for Arsenal against Man City (Credits: Alamy Live News.)

Arsenal sent out a warning to the best of the rest with an utterly comprehensive 3-0 destruction of Manchester City in the Community Shield.

The first silverware of the season has been handed out and it may not be the last trophy Martin Odegaard collects in the near future if Sunday’s display is anything to go by.

Here’s what we learned from Sunda...