When Liz Carmouche fought Ronda Rousey at UFC 157, she became the first openly gay UFC fighter. The sport is breaking new ground again with transgender female fighter Fallon Fox. As a postoperative transgender woman since 2006, Fox has two professional wins under her belt. But her license is now under review in Florida, where she knocked out Ericka Newsome in a Championship Fighting Alliance tournament bout. Fox revealed her original gender to Sports Illustrated on Monday. She said when she applied for a license in Florida, that she already held a license in California