The main match on the Raw brand was Edge versus John Cena for the WWE Championship , which Edge won by pinfall after hitting Cena in the back of the head with a pair of brass knuckles .
The main match for the `` Raw '' brand saw Edge defeat John Cena and successfully defend his WWE Championship . Edge defeated Cena by pinfall after he hit Cena in the back of the head with a pair of brass knuckles .