Arsenal are planning to strengthen their midfield this summer, and Mikel Arteta’s plans for the central area are becoming clearer. Arteta wants to build a midfield trio with the perfect blend of technical excellence, creativity, defensive awareness and physicality, and just needs one player to fill the gap alongside Martin Odegaard and Declan Rice. Real Sociedad stars Mikel Merino and Martin Zubimendi have been linked, and it is easy to see why the two Euro 2024 winners are coveted, given their superb passing ability, as well as their tactical nous to interchange between roles at number six an…