But , sadly , evidence of just why Swansea are in this mess -- .
Why it could be too big an ask to lift them from it -- was littered all around the second 45 minutes as Arsenal did what Arsenal can do to teams .
But , sadly , evidence of just why Swansea are in this mess -- and why it could be too big an ask to lift them from it -- was littered all around the second 45 minutes as Arsenal did what Arsenal can do to teams .