I'm not at all a big Silva fan. I recognize his significance and dominance in his weight class and respect him for that however.
Anyone who believes for even 1 second that Silva did not intentionally throw last night's fight has not been watching UFC very long. I'm not saying management had anything to do with a "fix" - but nonetheless, the fight was thrown intentionally. Further, it was planned to be thrown well before the fighters entered the octagon. I don't believe that Weidman was in on any of the shenanigans.
Weidman could not on his best day, beat Silva on his worst. People should not be so stunned at Anderson's tossing in the towel, but instead how essentially a nobody, like Weidman, even gets a title shot to begin with. Beating Munoz put him there? Come on.
Do yourselves a favor and go back to watch the Sonnen 1 and Sonnen 2 fights again to see how Silva can take a beating. BTW, should Weidman fight Sonnen, he's going to get crushed. Unless it's fixed. You might also want to watch the pre-fight interviews, the weigh-in and listen to the interviews after the fight. There're a lot more to be told besides what happened in the ring (though that's pretty strong evidence on its own).