If Machida loses tonight, at least he would have a valid excuse.
Davis must beat Rousey because Canada didn't even play at the World Cups, so the champion still has the scar from Team USA having been eliminated. If Davis wins, then Rousey's loss is more than understandable due to the PTSD from the World Cup.
I think, therefore I am. - René Descartes
As you think, so shall you become. - Bruce Lee