To most UFC fans Glover Teixeira is the least familiar fighter on this list, and thats saying a lot seeing as one of them has never fought in the UFC before. That will soon change though as Glover is lined up to face Quinton Rampage Jackson in October at UFC 153. A win will put him right in the mix for a title shot, not least because Jones has already beaten most of the other potential challengers and former Champions. Boasting a 16-fight win streak that saw him obliterate Kyle Kingsbury in his UFC debut last time out, Teixeira combines destructive punching power with a slick ground game. At 32 the potential challenger should be in his prime and despite holding just one UFC victory to his name, Glover should provide a sterner test stylistically than any of the fighters already mentioned. If he finds a way to connect he can hurt Jones, if the fight ends up on the mat there are long limbs there to reach for. Relevant Wins: Rameau Thierry Sokoudjou, Ricco Rodriguez Telling Defeats: Ed Herman Question Marks: Still untested in the big leagues Route to Victory: Finding a way to nullify reach, land big, and swarm for a submission