Numberica is right, we are already loaded with PFs, and actually there isn't only real C, even Memo is a more PF than C just like Big Al. I would be pleased to see Big Al leaving and get a back up C (not so good but not as bad as Fes)
??? And you think somehow KOC can just swap our "PFs" for good quality C's just like that? Good quality C is arguably the hardest position to fill in the NBA. Just look at this year's crop of FA's and the likely rate:
Marc Gasol - max. deal
Chandler - close to max. deal
Nene - close to max. deal
etc, etc
You have to either over pay in FA or get lucky in the draft.
Now considering who we have:
Jefferson - OK he's not the perfect C, but he's said himself that he's a C and he's "OK" playing a C.
Kanter - He's a bit short for a C and doesn't quite have the athleticism, but he has played C before and who knows how he'll develop?
Favors - He's got the defense ability and athleticism to play C - may be he's an inch too short? I see a lot of potential though.
Okur - Played C most of his time in the NBA. Has the height but not the defense or post play to play C.
I'm not happy with all the "PFs" in the team neither, but if you think some GM will happily take on Jefferson and give us a quality C I think you must be dreaming. And if you're thinking about trading Jefferson for a back up C - then which of the "PFs" would you want starting at C?
Llooking at who we've got I think Favors has the most potential going forward. He has the ability, athleticism and reach to play C. So why don't we be patient for a while this season and see how they develop?