17:15Rugby LeagueCastleford Tigers v Salford Red DevilsBBC Radio 5 Sports Extra Duration: 2 hours, 15 minutes Sat 8th May 2021, 17:15 on BBC Radio 5 Sports ExtraLive rugby league commentary of Castleford Tigers v Salford Red Devils in the Challenge Cup quarter-finals.GenresSportRugby LeagueSeriesRugby League Source: BBC Online