12:51Rugby UnionBordeaux-Begles v Exeter ChiefsBBC Radio 5 Sports Extra Duration: 2 hours, 5 minutes Sat 17th Dec 2016, 12:51 on BBC Radio 5 Sports ExtraLive commentary from the European Rugby Champions Cup on Bordeaux-Begles v Exeter Chiefs.GenresSportRugby UnionSeriesRugby Union Source: BBC Online