19:15Rugby LeagueCastleford Tigers v St HelensBBC Radio 5 Sports Extra Duration: 3 hours, 15 minutes Thu 28th Sep 2017, 19:15 on BBC Radio 5 Sports ExtraLive rugby league news and interviews, including commentary from the Super League semi-final between Castleford Tigers and St Helens.GenresSportRugby LeagueSeriesRugby League Source: BBC Online