Malcolm Muggeridge once said that there is nothing quite like sport for producing unsportsmanlike behaviour. Serena Williams’ contribution to that aphorism occurred at the US Open when she apparently told the line judge – this is the expurgated version – “If I could, I would take this ball and shove it down your throat and kill you”

[youtube=http://www.youtube.com/watch?v=XlWoVY0-WHc]