Eze is not a CM, and especially not for Arteta IMO. Not industrious enough, and more of a tight spaces penetrative dribbler with end product than someone who covers a lot of ground on and off the ball in midfield.
He could do well on the left wing, but he does like to drift inside, so we probably would need proper width from a left-footed LB on the left side. I like him because with his close control, fluid movement, elasticity, composure, two-footedness, he provides a nice complementary option with Martinelli, who is a more intense, chaotic, straight lines, width, open spaces player. It would give us real options and versatility in the squad. I think he is a top player, lacking the explosiveness of the very best wingers perhaps, but absolutely someone who could contribute to us, or City for that matter. To say Palace is his level is ignorant honestly.