He passed out from fighting a weakened Killer, while nerfed himself.
The two can be not far apart strength wise depending on how Oda wants to spin it.
The two can be not far apart strength wise depending on how Oda wants to spin it.
Zoro passed out from a combination of different factors. That's why Oda focused on Zoro's stomach right before he passed out and had it made the same noise that Luffy stomach made when he passed out.