ringtv February 21, 2013 RING junior featherweight champion Nonito Donaire and No. 1-rated challenger Guillermo Rigondeaux at the New York press conference for their April 13 fight. Photos by Naoki Fukuda. Click the photo for the gallery. Testing issue settled: Donaire set to face Rigondeaux Mayweather: 'Showtime, let's do it'