Rio Ferdinand Labels Man City's Kyle Walker 'a Liability' in Off-Air Rant During Chelsea Defeat

​BT Sport pundit Rio Ferdinand branded Manchester City defender Kyle Walker 'a liability at the top level' off-air during their defeat to Chelsea over the weekend.  Ferdinand was on the panel of pundits for the game alongside Joe Cole and Nedum Onuoah, as goals from N'Golo Kante and David Luiz subjected the Citizens to their first Premier League defeat of the season.  Despite appearing to be off-air, one Twitter user had a stream that could here the discussion of Kante's goal before returning... Via All the latest breaking football news, transfer rumours, analysis, and match reports - 90min http://www.90min.com/