18:30BBC CWR SportNorthamptonshire Steelbacks v Birmingham BearsBBC CWR Duration: 3 hours, 30 minutes Fri 29th May 2015, 18:30 on BBC Coventry & WarwickshireT20 Blast cricket coverage of Northamptonshire Steelbacks v Birmingham Bears (weather permitting).GenresSportBrandBBC CWR Sport Source: BBC Online