Didn't see the fight,did you? It seems DWFs feel Silva was robbed... Either way good win for Bisping. He's as solid a pro you can expect from UFC and he's done a lot for English fighters in terms of opportunity.
They claim Bisping was "knocked out" at the end of the third. He wasn't, and Herb Dean didn't stop the fight. He landed a good flying knee that dropped Bisping but he was still there, Silva didn't follow up with it, he went straight into doing a celebration to try to force it as a win pretending like he didn't understand Herb Dean saying the fight was not over.
He only landed that knee because Herb Dean motioned like he was going to get Bisping's mouthpiece but did not stop the action, Bisping was looking away when Silva landed.
Silva also landed a very hard kick to the nuts, which probably impacted Bisping throughout.
Either way, the fight wasn't stopped and Bisping won on the scorecards and deserved to.