10 standout moments from John Cena's  career 

#4 First World Championship

John Cena and JBL

John Cena's edgy character and rap promos earned him notoriety and championship gold. Though he slowly transitioned from a cocky rapper to more of a patriotic hero, the fans were still behind him when he challenged the hated JBL for the Smackdown World Title at Wrestlemania 21.

As we now know, Cena would accomplish this feat fifteen more times, becoming one of the most decorated champions in history. But it all started at Wrestlemania in his first main event role.