Tetsujin
The Game Thread Dude
I don't see Willie as a throw in. He's a very valuable player with his new improvements(if he can keep it up).
If he can keep up this consistency, he can definitely be our C of the future. However, I think this draft is absolutely loaded at Cs. This is why I think he's expendable IF we can get a highly talented player back. Ayton, Bamba, Carter, and Jackson Jr.
Even in that case, you're better off worrying about trading Willie after our draft position has been decided and we're guaranteed to be in position to draft his replacement (even so, WCS is still just 24 and is athletic enough that he could probably slide to the PF slot next to a new rookie center/Giles/Brow when we eventually trade George Hill for him or something).
Going off of interviews and reports and all that stuff, I would probably have our players ranked like this going into the trade season.
Untouchable: Fox, Giles, Skal
Untouchable barring a lopsided offer: Bogdan, Willie, Buddy
More Touchable but not really: Mason, Jackson, Z-Bo
Shrugging meme: Malachi, Papa, Vinsanity
Thoroughly touchable: Kosta, Garrett
Touch me please: Hill
Not exactly surprising but given his improvement this season, I don't see Trill going anywhere.