Similar to what CK said, centre mid is the priority for me. We need someone to compete and cover Mousa adequately. Winksy is great but he's a completely different style of player and in the manner in which we play, we need someone to break forward, take people on and hold up the ball when needed when Mousa isn't playing. Seri was my ideal choice but I do feel Barkley could be moulded to the role under Poch's guidance. Failing that, if this Diop lad is the guy Poch believes in then I'll completely trust his judgement.
Seeing as Wimmer is likely going, a CB is also a priority and if we do indeed sign Sanchez, it's a mouth-watering signing. From someone who takes an interest in Ajax matches, this lad is the dogs' bollocks. Still has miles of room for improvement but at 21 he's already better than 75% of CBs in Europe's top leagues. His physical and athletic attributes somewhat make him a new breed of CB.
I've stated time and time again that RWB is for me OK with just Tripps and KWP, hopefully KWP eased some of the fears of those worried that Tripps hasn't got adequate cover/ competition on Sunday but if we end up signing Aurier (minus the personality traits), then we've bagged ourselves one of the best FBs in Europe for less than half the price of what we sold Walker for and he's three years younger than the £50m man.
As for LWB, I personally feel Rose has burned his bridges but if Poch feels the team hasn't been affected and there's no rift between Danny and the players/ staff then so be it, he stays. If we sell him, I'd like us to go for Sessegnon and have him compete with Davies for a couple of seasons before making the role his own. Failing that, a deal of Shaw plus cash from Utd would also suffice.
Attacking mid we're well stocked in. Alli and Eriksen are two of the best in Europe and if Son has another year like last then he'll be considered as such, too. With Lamela on the mend, plus the likes of GK and Sissoko in reserve, we're solid. Not to mention the incredible talent of Edwards and the pre-season breakout star, Anthony Georgiou, who's done his chances of potential first team minutes no harm whatsoever.
Striker situation is tricky. I'm happy to give Janssen another year but if we can line up a top second choice and recoup a good chunk of what we spent on the Dutchman then I'd take that.