Why Beating Porto Is Huge For Arsenal

It took a David Raya save in the penalty shootout, but Arsenal are through to the Champions League Quarter Finals.

But while the tie ended 1-1 over both legs, simply turning around the initial deficit represented an enormous victory for Mikel Arteta.

Adam Clery looks at why Porto were such a difficult proposition for the Gunners, and why finding a way past them bodes incredibly well for the remainder of the season.