User blog comment:ArtDraw12/TD Theories: Who May Return in Potential Future Seasons?/@comment-28182423-20161030202333/@comment-2156422-20161030203212

I don't know about Eva beign the only one, but I agree with the "not want to participate shouldn't be a reason, it's a contract thing". Maybe RR contestant's contract says they have to compete in TD if they are called out. With that excuse, anything is possible ;)