Have you ever wondered what it takes to be a boxing champion? SELF sat down with ten-time, seven division boxing world champion Amanda Serrano to find out—and somehow, it's even more intense than we imagined. Keep watching to see how she trains, stays mentally focused, and what it means to her to be a role model. Want to watch her fight? Tune in tomorrow at 8 p.m. ET to watch her match live on Netflix. #AmandaSerrano #boxing #WBO #IBO #WBA #MMA #KatieTaylor