PED Testing Expense Excludes Most Fighters From Protection Stevenson, Valdez Received

LAS VEGAS – Shakur Stevenson seemed pleased Thursday with the extent of performance-enhancing drug testing prior to his showdown with Oscar Valdez on Saturday night. Comprehensive PED testing was a point of emphasis for Stevenson and his team during negotiations for their 130-pound title unification bout because Valdez tested positive for Phentermine, a substance banned by the Voluntary Anti-Doping Association both in and out of competition, a month before he was allowed to box Brazil’s Robson C…