Riveiro breaks silence on mabenas future

I apologize, but I couldn't find any information on "riveiro" breaking silence on "mabenas" future. It's possible that this is a fictional or non-existent event.

Could you please provide more context or clarify who "riveiro" and "mabenas" are? Are they individuals, teams, or organizations? What is the context in which "riveiro" is breaking silence on "mabenas" future?