Mackenzie Dern picked up a stunning first round submission win over Amanda Cooper on Saturday night at UFC 224, but her victory was overshadowed in many ways by the fact that she came in a whopping seven pounds over weight for the fight just 24-hours earlier. Dern weighed 123-pounds for her strawweight matchup against Cooper and while she was fined 30-percent of her purse as a penalty, there’s also little doubt that the extra weight may have helped her during the fight. Following the win, Dern explained what went wrong while taking the blame for missing weight for the third time in her career as a strawweight competitor. “I can tell you 10,000 excuses but I really believe what happened […]