Yes he has a few months ago
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=0CC8QFjAC&url=http%3A%2F%2Fwww.boxingscene.com%2Fguillermo-rigondeaux-diaz-no-longer-working-together--78472&ei=vkCXVLm3EojugwSE-4DYBw&usg=AFQjCNHve_mfP7evHlgnO3RTEg-clKaN2w&sig2=iM8Yi1Pbw0uxkH3GWaUMMw