Sky Sports pundit Jamie Carragher has hammered the West Ham fans ahead of tonight’s clash with Brentford. The Hammers are taking on the Bees looking to get a win under their belts in what has been an inconsistent season so far. David Moyes is under pressure at the club and doesn’t seem to be the man some West Ham fans, despite leading them to European glory last year. Indeed, banners have started to pop up inside stadiums calling for Moyes to leave. And speaking about those banners, Jamie Carragher has slammed the behaviour of the Hammers fans endorsing that. Jamie Carragher slams West Ham fan…