John Cena's Best Potential Feuds for Return to WWE SmackDown Live

WWE SmackDown Live is about to regain a franchise star, as John Cenais set to return to the brand two months after he last appeared on Tuesday nights. The Dec. 27 episode will feature the return of wrestling's biggest star and recentSaturday Night Live host and the ignition of his latest feud. The question, though, is just who Cena will set his sights on. There are a plethora of options—from the current WWE champion to one of the brightest young stars on the entire roster. With so many options...