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John Cena will be looking for another chance at "The Great One"
It goes without saying, but The Rock does not need another championship run to make his career mean something.
The Rock, as he has stated many times, has done it all in this business. Multiple title reigns, high-profile feuds and matches and a surefire Hall of Famer, The Rock has already cemented his legacy in professional wrestling.
Shocking the fans completely and having him be unsuccessful in all of his attempts at winning the WWE Championship gives his WrestleMania match another element.
Fans will be going into WrestleMania asking themselves and one another if The Rock has it in him to win the big one just one more time.
This is also The Rock's opportunity to elevate guys like CM Punk and John Cena to another level in their careers.
If Punk and Cena are both successful defending the richest prize in wrestling against The Rock, provided Cena beats Punk between the Rumble and WrestleMania, it brings them a legendary status of their own and cements their careers in the business.
This may not be the most popular decision amongst many fans, but it's a scenario that works because The Rock is a man who doesn't need gold, all he needs is the microphone and the ring.