Usman Nurmagomedov, his brother Umar, and their team attacked former UFC bantamweight champion Merab Dvalishvili earlier today in Abu Dhabi. Usman approached “The Machine” from behind and slapped him, after which the rest of the group joined in and attacked the 35-year-old Georgian. However, one of Dvalishvili’s friends stole the spotlight for dropping three Russian...