10 Biggest upsets in WWE history

Kevin Owens defeats John Cena on his debut

Kevin Owens is awesome, period. After spending a quality portion of his career in the independent circuit, he finally was picked up by WWE and sent to NXT. There, he made a huge statement and then went on to win the NXT championship. But this was not the end for Owens, in fact, it was only the start. While reigning as the NXT champion, Owens showed up in the main roster and locked horns with none other than John Cena.

Making your main roster debut against John Cena is a great thing, but going on to win that match, is legendary stuff. Owens did just that, and it is something that he could brag about his whole life.