Chuck Liddell is DISGUSTED by George Floyd's killing ... but says that doesn't give anyone the right to hurt innocent people and torch his city.
TMZ Sports talked to Liddell -- a day after he played peacemaker in Huntington Beach -- where demonstrators and local residents nearly came to blows in the street.
"In this country, you're allowed to speak your mind. You have a right to your own opinion. Everyone has a right to their opinion, and you're allowed to speak your mind. But you're not allowed to destroy things, you're not allowed to steal, you're not allowed to steal.