#2 Becoming WWE Champion
When John Cena finally won the WWE Championship, it was a widely celebrated event. After all, he was the bright young talent that fans wanted to see at the top of the WWE, and they were granted their wish. Thus began the change from the Doctor of Thuganomics to the Leader of the Cenation.
While the first few years of his reign at the top of every WWE card put out by the company was welcomed, fans soon started growing tired of his bland character that became less edgy and way more PG and kid friendly. The hardcore fans had had enough of Super Cena, and a vocal minority soon gave way to a divided fan base.
John Cena was equally loved and hated by the WWE Universe. And, it looked like things would stay this until his career ended when out of the blue something miraculous happened to define our final career changing moment for John Cena...