The Last Man Standing Match between WWE Champion John Cena and Ryback has seemingly ended in a draw. Ryback picked up Cena in a Spear/Spinebuster type position at the entranceway and both Cena and Ryback crashed through the entranceway.
For what it's worth, I don't think the referee rang the bell, and Ryback was standing on his feet, albeit with the help of two officials. John Cena was unconscious and had to be carried out on a stretcher.
(In my personal opinion, this looked to me like Ryback was technically the "Last Man Standing")
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