Which Superstars waged 2015’s Rivalry of the Year? Cast your vote using #RIVALRY on Facebook, Twitter and Instagram, then find out the winner during Raw’s 2015 WWE Slammys Pre-Show, Monday night at 7:30 ET on WWE Network. For a full list of Slammy categories and information on how to vote visit http://www. WWE.com/slammys2015 More ACTION on WWE NETWORK : http://bit.ly/MobQRl Follow WWE on YouTube: http://bit.ly/1i64OdT