Fierro vs. Zamarripa

#FierroZamarripa is just around the corner, so @MatchroomBoxing went behind the scenes to see how both fighters were preparing for September 15. Subscribe to our YouTube channel 👉 http://bit.ly/DAZNBoxingYouTube Subscribe to the DAZN X Series YouTube channel 👉 https://bit.ly/XSeriesYouTube Download the DAZN app now 👉 http://bit.ly/DAZNYoutube Follow DAZN Boxing On Social Media 👇 Twitter: https://www.twitter.com/DAZNBoxing…