John Cena defeated AJ Styles back in 2017 to win his 16th World Championship and equaling the record of Ric Flair.
After losing to The Rock at WrestleMania 28, Cena reignited the feud and won the WWE Championship against The Rock.
John Cena had a long and bloody rivalry with Brock Lesnar whom he eventually beat at Extreme Rules.
John Cena defeated Randy Orton in a 60 min long Iron Man Match to win the WWE Championship.
John Cena returned from an injury in 2008 to win the Royal Rumble after eliminating Triple H.
John Cena picked up his first WWE Championship back in 2005 after beating JBL.