I'll be honest and impartial here, Kizaru took a beating from Luffy, and it's embarrassing to claim the winner is the one who stood up first because Kizaru didn't even touch Luffy. However, Luffy proved that Kizaru is nothing more than a glass cannon, and with one blow, you can knock him down, and he stays there paralyzed and shaking for some time, with just one damn blow.
See if Oda gave Saturn the portrait of being on the ground for a long time and unable to move after Kuma's insane punch and Franky's laser in addition to, of course, all the collateral damage he suffered.