He indeed go down, though not hard enough to knock him out. He's winded, though, and despite his best efforts can't scramble up onto even hands and knees fast enough to keep her from getting onto his back and going for another chokehold.

Stubborn as he can be, he does know when to quit - and this seems like the moment. He's exhausted, and if he tries to keep fighting he's more likely to collapse right here in the arena. She wins either way, but at least surrendering lets him keep a little of his dignity.

"The fight is yours," he calls, as clearly as he can given the chokehold.