David Raya is far from an upgrade – Aaron Ramsdale must be wondering what he did wrong

For Mikel Arteta it was a win that underlined the battling quality of his Arsenal side. He glowed after the game about character, resilience, determination. And he had a point. Against a Luton team of rigour and commitment, who pride themselves on their disruptive qualities, it took real resolve to win it at the last.