A knee injury to Carla Esparza has forced a change to the Invicta FC 6 fight card. Ayaka Hamasaki will now square off with Claudia Gadelha. Esparza first announced the injury via twitter. Tweeted Esparza: “I am devastated, there is no worse thing for an athlete to experience. I have had this injury for a […]MMAFrenzy.com