John Cena failed to conquer one last challenge as his WWE in-ring career came to an end at Saturday Night’s Main Event in Washington D.C.

WWE fans in the UK can watch John Cena's final match for free on Saturday night.

In their final parlay, Cena smiled and tapped out to Gunther, a dominant Austrian professional wrestler in WWE known as “The Ring General,” after being placed in an unsecured sleeper hold for approxim...