Before he fights Cain again. It is probably his biggest weakness imo. He didn't have much trouble stopping TDs in the first round or getting to his feet, his defense is also lacking but he kept throwing decent shots until the end. If he had some more energy he would have been a real threat to Cain. Theres some other fighters who would benefit a lot from better cardio, BJ Penn being at the top of the list. Yet they never seem to figure it out. Is it simply a matter of putting in more hours or do some fighters just naturally have bad cardio? Junior is young and motivated. What can he do to completely change his cardio? Change his diet, lose some muscle, start putting in more time training? And i have to say, Cain may have got tired in the fight but he did prove why his cardio is so talked about. Not many HWs can stay that busy for that long, its a huge asset to have.