Footage of Eubank Jr dropping rookie middleweight Tey Lynn - Jones in sparring was posted to the son of former world champion Chris Eubank 's Snapchat account last month .
Blackwell did n't waste the opportunity to lambast his upcoming opponent for breaking an unwritten rule of boxing .
Footage of Eubank Jr dropping rookie middleweight Tey Lynn - Jones in sparring was posted to the son of former world champion Chris Eubank 's Snapchat account last month and Blackwell did n't waste the opportunity to lambast his upcoming opponent for breaking an unwritten rule of boxing .