article_snippet.sent: It was accompanied by a smirking picture of Liverpool boss Brendan Rodgers and has resulted in a furious backlash on social media.
article_snippet.sent: One said: 'This is the most disgusting tweet I've read in probably my entire time on Twitter.'
article_snippet.sent: She added: 'How dare you make the execution of Black men in America the butt of your jokes'.
article_snippet.sent: Another quipped: 'What's funny?
article_snippet.sent: Others lined up to condemn the bookmakers describing the tweet as 'deplorable', 'unbelievable', 'horrible' and 'disgusting'.
article_snippet.sent: And obviously, no offence was meant.'