14:305 Live Sport5 Live Rugby LeagueCastleford Tigers v St HelensBBC Radio 5 Live Duration: 2 hours, 15 minutes Sat 12th May 2018, 14:30 on BBC Radio 5 LiveLive commentary of Castleford Tigers v St Helens in the sixth round of rugby league's Challenge Cup. Plus football updates from the Scottish Premiership.GenresSportRugby LeagueBrand5 Live SportSeries5 Live Sport: 5 Live Rugby League Source: BBC Online