Claressa Shields is the most decorated female boxer ever. She’s a two-time Olympic gold medalist and the first boxer —male or female — to hold undisputed championships in three separate divisions. But to get to where she is, she had to fight her way to the top. claressashields tells David Greene about her tough upbringing in Flint, Michigan, how she made her way to the Olympics and what she considers the best revenge on her life. #ClaressaShields #Boxing #SportsInAmerica