UFC fighter Nick Diaz tested positive for marijuana metabolites, the Nevada State Athletic Commission announced on Tuesday. His punishment has not been announced. For more on the story, visit Sherdog.com. [Thanks to Dot Net reader Stephen Minihane of Ireland]

Powell's POV: This is the second time that Diaz has failed a drug screen in Nevada. I'm not a believer in testing for marijuana in MMA or pro wrestling, but the fact is that Diaz also tested positive back in 2007 and obviously knows it's against the rules. He was suspended for six months after testing positive the first time, so one can only assume that he'll face another suspension this time around. In other words, it's unlikely we'll get a Diaz vs. Carlos Condit rematch in the near future, which is a shame.

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