User blog comment:AYET/Luffy post-TS : The battle above FI/@comment-34981281-20120627055851/@comment-34981281-20120627152024

Luffy often times passes out immediately after a fight. This is because when he is no longer needed, he rests to prevent further injury. In this fight, he didn't pass out when he was done. He went straight for Noah and I think he passed out after that.