I think Eze and Guehi will both depart this summer. Hopefully we'll hold onto JPM for another year, but his form has simply been too good for anyone looking for a new Striker (ManU or Arse?) to ignore, There could be some silly bids flying round, domestically and from abroad.
Eze is the most Spursy player we own. He's somewhat of a luxury player who'll fit right into to their bunch of sublime-one-day-invisible-the-next team of misfits. I can see Spurs going all out to get him - but I really hope if he does go, he goes elsewhere. He needs to play in a team that befits him. Not sure who that is.
Wharton won't leave, he needs a bit more development imho. but someone may try to get him on the cheap because of that (rather than wait for him to reach an inevitable 100m pricetag!).
As for replacements;
We've been nursing/grooming/(and praying for) Franca to fill the Eze role. we also have Esse waiting for an Opportunity in the wings.
Nketiah, Devenney and with Mustapha performing well in the youth setup if JPM leaves
Riad has surely got to be eyed to slip into Guehi's position, lets hope he can get and stay fit.
So buying ready made replacements may not happen. Although we still look light at CB, LWB, and a striker if JPM does go. Would love to see someone step up from the academy, but we all know that rarely happens.
I can't see any marquee signings, but I'd imagine we'd try to strengthen by nicking players from relegated clubs, or some lesser known foreigner. Replacements need to hit the ground running, and in OG's system that means understanding the system - as we saw at the beginning of this season, so much better to promote those already in it than buy in. The question is whether OG thinks any are ready to step up.