KO @ about 10:30 Notice about the 12:30 mark the crew helping the KO'd guy switches from medical care to dookie clean up... reports from the crowd is sludge streamed out onto the floor as he was walked into the back This is a Toughman fight from Hilo, HI.
That's many years of evolution. The primate would shit from the top of the trees, building a big pile for the primate to land in, this would soften the fall.
I remember when Alexis Arguello beat Cornelius Boza Edwards so bad with body shots he soiled himself, I think to be awake and shit yourself would be worse then getting knocked out and it happening.