Amanda Serrano is one of the best boxers in the sport at the moment and she takes on Sarah Mahfoud this weekend for the IBF, IBO, WBC, and WBO World Featherweight titles. Watch Serrano's open workouts ahead of her co-main event bout this weekend at the AO Arena. Hit 'Subscribe' above to ensure you never miss a video from the BT Sport Boxing YouTube channel. Get a BT Sport Monthly Pass now! - http://bit.ly/BTSportMonthlyPass Visit and subscribe to our 'BT Sport Boxing' YouTube channel ➡️ http://www.youtube.com/c/btsportboxing Twitter: http://twitter.com/btsport Facebook: http://www.facebook.com/btsport Instagram: http://instagram.com/btsport Tik Tok: http://www.tiktok.com/@btsport Website: http://sport.bt.com