The World Anti-Doping Agency considers phentermine a banned substance in competition but not out of competition. A list of the banned substances - phentermine is on it - are sent to the fighter. When fighters enroll in VADA testing, as the 30-year-old Valdez did, they are notified that there is no distinction between in competition and out of competition. Your training time to exhaustion would be much longer." "You know why it's a performance-enhancing drug? Because it's a central-nervous stimulant," he added. Conte served time in prison after pleading guilty to conspiracy to distribute performance-enhancing drugs before founding SNAC, a sports nutrition company. It is like methamphetamine," Victor Conte, the founder of BALCO, told ESPN. "I personally have given athletes phentermine, I know what it does. The test was conducted as part of the WBC's Clean Boxing Program. VADA informed involved parties of the test result on Sunday, sources said. VADA founder Margaret Goodman didn't return a phone call seeking comment.
Top Rank declined to comment, as did Valdez's manager, Frank Espinoza, and WBC president Mauricio Sulaiman. That commission sanctions very few fights annually, but since this bout falls under its jurisdiction and within its reservation, its participation was needed Wednesday. The WBC held a videoconference meeting Wednesday with Valdez's attorney, Pat English, along with officials from Top Rank and the Pascua Yaqui Tribe Athletic Commission, sources said. Both the A- and B-samples were collected on Aug. 10 fight in Tucson, Arizona, a Top Rank Boxing on ESPN+ main event. 10.Ī ruling is expected soon on Valdez's status for the Sept. The banned substance was found in both Valdez's A- and B-samples, according to sources, potentially jeopardizing his WBC 130-pound title defense against Robson Conceição on Sept. Oscar Valdez has tested positive for phentermine, a central-nervous stimulant prohibited by the Voluntary Anti-Doping Association, multiple sources told ESPN. Oscar Valdez's A- and B-sample tests show positive result for prohibited, central nervous-system stimulant, sources say
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