This was a big issue for HBO a while back. Top names kept missing weight. I am dead certain that Rios just gave up and didn't care when he tried to make weight vs Abril. He missed weight in his previous match as well.
Frankie "Pitbull" Gomez purposely came (almost 10 lbs.) overweight at the scales against Humberto Soto a few years ago, and the fight was cancelled.
Glad to see you're a hard core fan I seen you knew you're stuff with the Paul world class smith Keep up the good work and my that sort of insight and know how keep the legend alive When do we start classing it as irrefutable?