According to an interview he gave with Clinch Gear Radio today, Dave "Pee Wee" Herman was pulled out of his UFC 136 bout with Mike Russow because he failed a drug test by testing positive for marijuana.
Clinch Gear tweeted from the show:
@ClinchGear
Clinch Gear Dave Herman tells Clinch Gear Radio he is off 136 due to a failed drug test for marijuana. Dave denies the charge. #ufc136
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