In the team's final preseason tune-up before the real thing, Arsenal looked a confident side.
On the back of their annual training camp in Germany, the Gunners thrashed Cologne.
The game featured all three new signings in the starting lineup—Santi Cazorla, Olivier Giroud and Lukas Podolski—and each goal was influenced by one of the new boys.
In games like these, results don't matter as much as individual performances and match-fitness, but Arsenal did not disappoint in any area.
With fans hopeful about the prospects of the new season, here are six things we learned from the match.