McCarthy calls for a punch banned in MMA to be allowed

"I'd like to see knees to the head in the parterre allowed - I think that would be good for the sport. As a sports fan and an official, I say - knee strikes to the head, we're not talking about soccer picks, can be effective in a fight. If a grounded fighter knew he could be attacked with a knee to the head, he would be more active, but right now fighters are using this rule for defense instead of expanding their skills."