Blockbuster news arrived last night when UFC president Dana White announced that popular bad boy Nate Diaz would be taking on featherweight champion Conor McGregor in the main event of March 5’s UFC 196 after his original opponent, lightweight champion Rafael dos Anjos, was forced out with a broken foot.

It’s an impromptu main event that will go down at welterweight of all places, but regardless of the weight class, it promises to be a massive affair with quite the possibly the bEST short notice trash talk buildup in UFC history.

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To get the ball rolling on the festivities, the UFC is hosting a pre-fight press conference shortly at 4 p.m. EST. Watch all of the sure-to-be hilarious antics right here: