Two titans in heavyweight boxing Oleksandr Usyk and Daniel Dubois faced-off in London ahead of their blockbuster fight on August 26th in Poland, live on TNT Sports Box Office! 🥊 🏆 #UsykDubois | August 26 | TNT Sports Box Office Subscribe to BT Sport Boxing on YouTube ➡️ http://www.youtube.com/c/btsportboxing Follow BT Sport Boxing on Twitter ➡️ http://twitter.com/btsportboxing Join our BT Sport Boxing Facebook Group ➡️ https://www.facebook.com/groups/BTSportBoxing/ Follow us on Instagram ➡️ http://instagram.com/btsportboxing Read more on upcoming fights on BT Sport and BT Sport Box Office ➡️ http://www.bt.com/sportboxoffice