Mikel Arteta is probably running on zero hours sleep right now as the final few days in the window could prove crucial in Arsenal’s season. Most of the rumours circulating all seem rather unrealistic given how late in the window we are, as Arsenal are unlikely to splash huge money. However, with Eddie Nketiah on his way to Crystal Palace for £30 million there may be some funds made available. But, knowing Edu and Mikel Arteta, they won’t want to spend money on just anyone, as any potential signings will have to fit the right criteria and actually improve the squad. Everyone loves a striker sig…