HITC is told that Arsenal are focused on backing Mikel Arteta this summer with an attacker and midfielder their prime focus. We have already revealed and confirmed that Real Sociedad’s Martin Zubimendi is their top target to come into midfield with Douglas Luiz looking set to remain at Aston Villa – but in attack they are looking around and sporting director Edu is working on the best options for Arteta. Edu saw Arsenal miss out on a deal for Brazilian starlet Marcos Leonardo in January, but work is ongoing other who they might turn to this summer. Newcastle’s Alexander Isak and Napoli’s Victo…