Mikel Arteta and his transfer team may just be catching wind of news which could change the whole complexion of their summer window. Right now it seems as if Edu is well underway in his attempts to execute Arteta’s plans, with three signings thought to be on the club’s shortlist. Finding a new striker to play understudy to Kai Havertz is arguably the first priority, with RB Leipzig’s Benjamin Sesko leading the way in that regard if reports are to be believed. And other than securing a new centre-forward, Arsenal are also thought to be in the market for a central midfielder and a left-back. New…