Chris Sanford had at least had 4 fights before TUF 1 and also trained fighters at Cesar Gracie's gym, so at least he knew about MMA and had fought pro. And was only sent home for being one of the weakest fighters there. So not much of a similarity.
Doing Yoga? Fine, but an instructor who's never fought, let alone sparred in his life?
He was sent home for being fat, also Jason Thacker never fought and he was brought on the show.
One of the things you have to consider is that in Communist China they make picking and scouting athletes into a science. They don't focus on who the best are but rather those that have the potential to be the best.
The guys going to end up being one of two things, he's either going to demonstrate how tough the sport is or he's actually very good and he's going to be one of the "stories" of the season. In other words...he's either Luke Skywalker or Jar Jar Binks.