John Cena & Roman Reigns weren't always adversaries. Take a look back at this tag team battle where they joined forces to face Randy Orton & Kane! #SummerOfCena | WWE

Four of Monday Night Raw's biggest Superstars collide in an epic Fatal 4-Way Match in 2014 to determine the No. 1 contender for the World Heavyweight Championship: Courtesy of Peacock TV and WWE Network. | WWE

John Cena and Kane brawl all over the arena at Royal Rumble 2012! 😮 Courtesy of WWE Network | WWE

John Cena picked up his 16th World Championship in front of 52,000 passionate WWE fans with a huge win over AJ Styles! #SummerOfCena | WWE

380K views · 4.6K reactions | John Cena and Dolph Ziggler unite to take on the team of Kane and King Barrett at WWE Beast in the East: Live from Tokyo. Courtesy of Peacock TV and WWE Network. | WWE | Facebook