Randy Orton is widely regarded as one of the greatest professional wrestlers in the history of sports entertainement.
In a special appearance on WWE's show, The Bump, Orton reflected on his 20-year career and thanked John Cena for his congratulatory message.
John Cena and Randy Orton shared a bitter rivalry with each other back in 2007-2009 and again in 2013 to 2014.
The Cena-Orton rivalry is considered one of the greatest rivalries in the history of WWE.
Earlier, John Cena had said this about Randy Orton on his 20-year anniversary. "For 20 years @RandyOrton has cemented his legacy as 1 of the greatest @WWE Superstars ever. I have the utmost respect for every achievement he’s earned & CONTINUES to earn. But my genuine love & admiration for him is in his maturity & growth as a human being. Here’s to RKO!"