He stopped the fight because wasn't willing to risk his son getting hurt. Kenny's in the wrong sport then because boxing is about hurting your opponent. This was a championship fight, how many years of blood, sweat, and tears, has your son sacrificed to get to this moment and you end it all because he got buzzed? Bad stoppage. You ever seen Gatti/Ward 1? Gatti went down and was badly hurt from a body shot, the look of agony on his face shows he was about 10 times more hurt than Porter, even Emanuel Steward said he didn't think Gatti could recover but Gatti got up and was allowed to continue in a non championship fight, that 9th round became one of the best rounds in boxing history. If that was Shawn Porter and Kenny Porter was in his corner he would have thrown in the towel. When Porter went down he was upset at getting caught, didn't look at his father for help and emphatically told the ref he wanted to continue, let the man fight.