By Boxing Bob Newman

WBC super featherweight champion Oscar Valdez and Challenger Robson Conceção took the stage at the sunset room of Casino of the Sun, just down the street from The AV Amphitheater at Casino del Sol, where they will swap leather Friday night on ESPN. Chief supporting combatants Gabriel Flores Jr. and Luis Alberto Lopez Vargas we’re also on the stage to answer questions from host Mark Shunock.

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