By Vivem Soriano Eagle News Service The much-anticipated May 5 rematch between unbeaten WBA-WBC-IBF-IBO middleweight champion Gennady “Triple G” Golovkin and Mexican superstar Saul “Canelo” Alvarez is now officially off after Alvarez’s two failed drug tests in February forced the Mexican to withdraw from the bout. Alvarez tested positive twice for the banned performance-enhancing substance clenbuterol in two random tests on February 17 and 20 administered by the Voluntary Anti-Doping Association in his hometown […]