Oscar Valdez Still Set For September 10 Title Defense Despite Positive B-Sample For Banned Stimulant

Despite Oscar Valdez’s B-sample also testing positive for a banned stimulant, the show will go on for his title defense against Robson Conceição on September 10.

Valdez’s (29-0, 23 KOs) team claimed, during Wednesday’s hearing, there were low quantities of phentermine – the banned stimulant – in an herbal tea the boxer had. It’s unclear if that factored into the Pascua Yaqui Tribe Athletic Commission’s decision.

The WBC hasn’t declared a ruling on the status of Valdez’s featherweight title.

The test was done as part of the WBC’s Clean Boxing Program.

Victor Conte, founder of BALCO, explained that phentermine is powerful, accelerates your heart rate and gives you energy.

Valdez will face Conceição (16-0, 8 KOs) on ESPN+. The co-main event will feature Gabriel Flores Jr. Versus Luis Alberto Lopez Vargas. The prelims will include a bout between WBO flyweight champion Junto Nakatani and former light flyweight titleholder Angel Acosta.

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