19:50Northamptonshire SportHeineken Cup commentary of Northampton Saints v CastresBBC Radio Northampton Duration: 2 hours, 10 minutes Fri 8th Oct 2010, 19:50 on BBC Radio NorthamptonCoverage of Northampton Saints v Castres in the Heineken Cup. Kick-off at 8pm.GenresSportBrandNorthamptonshire Sport Source: BBC Online