Randy Orton and John Cena's 5 most vicious encounters

At WWE Hell in a Cell, Randy Orton will battle John Cena inside sports-entertainment's most unforgiving environment. The bitter animosity between The Champ and The Viper goes back over half a decade with some of the most brutal encounters in recent history.

Watch their most vicious encounters

Neither Superstar holds a true advantage in the rivalry, adding even more weight to their impending Hell in a Cell confrontation. WWE.com revisits five of the most vicious, no-love-lost battles between Cena and Orton.