Shape of the night

Four split decisions on one card. Somebody went home convinced they were robbed.

The card

Georges St-PierrevsBJ PennTitleWelterweightKO R4 5:00Lyoto MachidavsThiago SilvaLight HeavyweightKO R1 4:59Jon JonesvsStephan BonnarLight HeavyweightU-DECKaro ParisyanvsDong Hyun KimWelterweightNCClay GuidavsNate DiazLightweightS-DECJon FitchvsAkihiro GonoWelterweightU-DECThiago TavaresvsManvel GamburyanLightweightU-DECJohn HowardvsChris WilsonWelterweightS-DECJake O'BrienvsChristian WellischLight HeavyweightS-DECDan CramervsMatt ArroyoWelterweightS-DEC