Dan Walker previews the day's football fixtures. In the Premier League, title hopefuls Chelsea face London rivals West Ham at Stamford Bridge. Time is running out for the sides at the bottom, so Wigan's trip to Bolton and Burnley's game with Wolves could also prove hugely significant. The game of the day in the Championship sees high-flying Newcastle take on local rivals Middlesbrough, while eyes in League One will be on Southampton's game with Leeds.