I could see Bisping beating Vitor if he goes into the fight with the right gameplan.
I'd place money on Vitor with a KO/TKO, but Bisping winning is definitely a possibility and something I wouldn't be shocked at seeing.
“Anna, my strong, terrifying Anna.” -Cas
"You lack the requisite spine and testicular fortitude to study under me" -Elodin
Video Game GIF Thread