The Undertaker has penned a heartfelt message to John Cena on his retirement. The Phenom once explained why they didn't face one another more.

After more than 20 years in WWE, John Cena's legendary in-ring career comes to an end Saturday as he wrestles his final match at the Capital One Arena in Washington, D.C.

John Cena has accomplished plenty in his career with most accolades well known to the common fan. One thing he hasn't done, however, shocked even WWE medical.

John Cena will wrap up his 25-year career on Saturday at WWE Saturday Night’s Main Event as he faces Gunther. Once Saturday is over, Cena wants fan focused on what’s next.

On the June 27, 2002 edition of WWE SmackDown, Cena made his WWE debut by answering Angle’s open challenge. When Angle asked him what quality he possessed that made him think he could wrestle Angle, Cena responded, “Ruthless Aggression,” before slapping Angle in the face to start the match.

Finn Balor has shed light on "backstage politics" after his arrival on WWE's main roster amid allegations about John Cena's treatment of a former wrestler. David Otunga has claimed that Cena once kicked him out of the locker room, and that incident with the 17-time world champion made him consider quitting the business.