The UFC 297 main event fighters, middleweight champion Sean Strickland and Dricus Du Plessis came to blows in the UFC 296 crowd on Saturday at T-Mobile Arena.   Just moments after the two were shown on the big screen inside the arena, Strickland and Du Plessis had words and then Strickland leaped over the seats and began throwing punches.  The altercation was caught on camera from multiple angles