WWE Spoilers: John Cena Suffers Injury on European Tour!By Cassidy| April 28, 2013 Wrestling News WWE.com is reporting that reigning WWE Champion John Cena suffered an injury to his right Achilles tendon in a match against Ryback on WWE’s European tour. The injury comes a few weeks before Cena is scheduled to defend the WWE Title against Ryback at Extreme Rules on May 19. The severity of the injury is currently unknown, but John Cena has tweeted out that he will be on RAW this coming Monday night.