UFC women’s strawweight  Molly McCann announced her retirement on Saturday following her UFC London loss to Alexia Thainara. “Meatball” entered the fight coming off a loss. She had been defeated in three of her last four fights.  “I started this sport at 24,” McCann said in her  post-fight interview with  Michael Bisping  inside the O2 Arena. ”I’ve giving you all my f*cking heart and soul. Tonight, with that performance with someone on a week’s notice, it’s not good enough. I’m not coming in her just for the payday. The UFC deserves more.