WWEWWE has announced a tournament to determine Roman Reigns’ next World Heavyweight Championship challenger, ahead of an upcoming international show. Following Roman Reigns defending his gold against Seth Rollins at SummerSlam, the OTC was approached backstage by Rey Mysterio on the August 3 edition of Raw. With rumors swirling about the two stars’ conversation Mysterio has officially revealed his and Reigns’ plans to determine a future title challenger. The winner of this tournament will challenge for Roman Reigns’ World Heavyweight Championship on the September 14 edition of Raw, which will emanate from Mexico City. ADVERTISEMENTRoman Reigns won the World Heavyweight Championship from CM Punk at in the main event of WrestleMania 42 night two.