Nonito Donaire vs. Guillermo Rigondeaux
Nonito Donaire vs . Guillermo Rigondeaux was a super bantamweight professional boxing match contested between WBO and "The Ring" champion Nonito Donaire and WBA ( Super ) champion Guillermo Rigondeaux . 
<triplet> Nonito Donaire <subj> super bantamweight <obj> competition class <triplet> Guillermo Rigondeaux <subj> super bantamweight <obj> competition class