Let's cut the nostalgia crap right from the start—John Cena's retirement from WWE isn't some fairy-tale sendoff; it's a calculated exit for a guy who's been phoning it in between Hollywood gigs for years. Sure, the 17-time champion has etched his name in wrestling history with his "Hustle, Loyalty, Respect" mantra, but after two decades of suplexes, Attitude Adjustments, and that godawful "You Can't See Me" schtick, his final match against Gunther at Saturday Night's Main Eve