Mario Thomas Barrios is an American professional boxer who held the WBA super lightweight title from 2019 to June 2021. As of October 2021, he is ranked as the world's ninth-best active super lightweight by The Ring.
Biography：Mario Thomas Barrios is an American professional boxer who held the WBA super lightweight title from 2019 to June 2021. As of October 2021, he is ranked as the world's ninth-best active super lightweight by The Ring.
