In the interview , Nichols presses Mayweather on his abusive past and does not let up .
Mayweather , who is fighting on Showtime pay - per - view Saturday , did an interview with CNN 's Rachel Nichols to promote his fight .
In the interview , Rachel Nichols presses Mayweather on Mayweather 's abusive past and does not let up .
Mayweather , who is fighting on Showtime pay - per - view Saturday , did an interview with CNN 's Rachel Nichols to promote his fight .