GSP is one of the smartest trained athletes in the sport. Regardless of what the full truth is on this, GSP knows what he needs to be doing with his training. Just as he demonstrated after returning triumphantly, from what was a potential devastating career impacting injury. GSP has trained with many sparring partners in heavier weight classes, so if this is really true than there is probably some good reasoning to it, and Dana perhaps may be on to something.