Nick Diaz. Beat BJ and then repeatedly yelled "I won that shit." For no particular reason and went into his corner's face and was talking shit.
Diaz is a class-A douche.
Rich Clementi didn't care for Melvin:
Tank:
Edit: Kaipo beat me to it.
Tank:
Edit: Kaipo beat me to it.
Yamasaki thinking...Dat ass
I like how a lot of people on here said he wasn't actually flipping him off when that happened
Weidman after the first Silva fight.
Renzo Gracie is up there too.
Tito...
You mean Silva during the first weidman fight
edit: Only a true badass disrespects his opponent while winning...
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I guess it depends on what you consider disrespectful.
Cole Miller yelled "Who's overrated now?" after finishing Junie Browning (in response to Browning calling him overrated).
Rich Clementi didn't care for Melvin: