The Underdog: Josh Must Win sees professional wrestler Josh Foulds try to battle it out to win a huge cash prize on a new E4 series. Josh and eight celebrities will all compete in the popularity test. Josh and his co-stars are all under the impression they’re starring on an E4 show called The Favourite. The truth is far from it though, and that’s because four celebrities are rigging the results to get Josh to win. Meet The Underdog’s Josh FouldsJosh Foulds is The Underdog on E4’s new reality TV show. The whole idea is that he must win the game, if four secret celebrities can pull it off, but h…