Is there really anything left to debate about Kakuzu vs Sakura? That matchup has been completely done to death... it just seems to be a matter of opinion at this point. :/
Not really, I at least haven't done it for a while.
Unless you can provide proof that she'd be able to:
-Avoid all jutsu Kakuzu throws at her relentlessly, despite her being slower than Kakashi and having lesser reactions
-Avoid Kakuzu's threads which completely blitzed Kakashi without any reaction
-Regenerate from a removed heart/Gian through the head ( I was under the impression she could actually until a few days ago)
-Land a
DIRECT hit that may or may not break through domu (reasoning can be explained) without Kakuzu avoiding it or blasting her with jutsu before she reaches him
Then it really isn't that much of a debatable matchup.