If GSP vs Silva ever happened, GSP would win via 5 round LnP
That's just how I see this fight playing out. Anderson's always been susceptible to wrestlers. Normally he makes adjustments and finds a way to win, but wrestlers are his cryptonite.
If this fight ever happens, I know Anderson would have his moments and stun GSP, but I think GSP's standup is good enough to get him close and get him the takedowns and keep Anderson on his back for the rest of the round earning him a tough UD.