Here are 15 reasons why Chelsea are in an unacceptable state

Not even the sickening sight of Jesse Derry being stretchered off on his Premier League debut could dull the half-time boos at Stamford Bridge.Half-time is the best barometer of Chelsea fan unrest these days, because typically by the time the final whistle sounds, thousands have already left the stadium to start their sombre journeys home. This season is weeks beyond the tipping point whereby staying to the end becomes the most reliable way to escape the rush to board a train. Empty seats at Stamford Bridge as fans left early en masse (Justin Setterfield/Getty Images)