The TOP 10 KNOCKOUTS of "THUNDER FROM DOWN UNDER" KOSTYA TSZYU career. 10 epic knockouts from the former P4P King. Subscribe for the latest boxing Top 10’s, Promo's, Series & Tributes. YOUTUBE: youtube.com/EditinKing FACEBOOK: facebook.com/EditinKingBoxing TWITTER: twitter.com/EditinKing INSTAGRAM instagram.com/editinKing_boxing PATREON: patreon.com/EditinKing