Arsenal were humbled by Manchester City on Sunday as they lost 3-1 to the Premier League champions at The Etihad.

It was a disastrous start for Arsenal, as Sergio Aguero opened the scoring in the first minute of the game.

Arsenal skipper Laurent Koscielny levelled in the 11th minute as he headed home from point-blank range after a corner was flicked his way.

City then went on to dominate the game and Aguero scored another two to complete his hat-trick and claim the three points for the home side.

Here are four things we learned from the game…