Over the course of his 23-year career, John Cena has delivered some of the best feuds in WWE history going at it with a who's who of all-time greats in WWE history.

Just five days before John Cena wrestles his final match in Washington, D.C. at Saturday Night's Main Event, his opponent, Gunther, will take center stage Monday night on WWE Raw.

"Well, if you listen to John Cena, he gives me a lot of credit. But it wasn't working, his gimmick, necessarily at the time. It just really wasn't resonating. And again, we all felt like he really had...