One of the issues to be taken up at the WBO Convention in Puerto Rico next month will be the use of a banned substance by previously undefeated Thai challenger ****sawan Kratingdaenggym in his WBO minimum weight title fight against Filipino Donnie “Ahas” Nietes which Nietes won by a unanimous twelve round decision at the plush Waterfront Hotel in Cebu City. [details (http://www.boxingscene.com/?m=show&id=10731)]