John Cena defended the United States championship against Rusev at WrestleMania 31. Photo by Jed Jacobsohn /Sports Illustrated via Getty Images 7. WrestleMania 31: John Cena vs. Rusev (c ...

John Cena has played a major role in professional wrestling for over 20 years. He has been part of WWE for a long time, and his matches at WrestleMania show how much he has achieved in his career.