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UFC 263 video: Nate Diaz lights up at presser, celebrates rule change on weed

On Friday the UFC’s Jeff Novitzky announced that the Arizona State Boxing and Mixed Martial Arts Commission would be adapting their rules on marijuana to match that of the UFC’s anti-doping program.

Those rules state that fighters will not be punished for testing positive for THC either in or out of competition. The UFC’s only restriction on marijuana use is that a fighter can not compete if they are obviously impaired.

Great working with AZ Commission, who are adopting our testing program/rules for this weekend. Only issue with marijuana (THC) for Saturday’s fights is don’t show up impaired or under the influence.