Will Rigondeaux sign Donaire's VADA agreement? Fight hinges on it

By Chris Williams: The press conference is about to start for the Nonito Donaire vs. Guillermo Rigondeaux fight. Donaire has already said he'll walk away from the fight if Rigondeaux refuses to sign the VADA agreement to be tested. According to Steve Kim, Rigondeaux wants to use USADA testing instead. This press conference is going