Countdown to Brook v Golovkin

The countdown clock is ticking towards one of the fights of the year. The audacious attempt by Sheffield's unbeaten welterweight champion Kell Brook to dethrone the undisputed king of the middleweight division, Gennady Golovkin,

Today was the last chance for some verbal sparring at the final news conference before the big showdown at London's O2 Arena on Saturday night.

John Shires reports: