At 39 years of age, Nonito Donaire is one of the two current oldest reigning world boxing champions, with the other being Gennady Golovkin. People might have to ask at what point will he stop. But after Sunday’s bout, the answer to that will have to wait. Related Posts PSC holds Olympic Training ‘Bubble’ Orientation for Boxing, Taekwondo and Karate “We called for this meeting to emphasize the safety protocols…