Cain = cabron?
Cain vs JDS 2 was the pinnacle of HW cardio. Cain was spamming takedowns for several rounds and then still setting the pace against JDS, one of the most athletic HWs.
Today HWs can barely move after 1 round. Even top fights like Stipe/DC 2 look bad from that point of view when they go over 2 rounds.