18:45CricketT20: Quarter-final - Surrey v Birmingham BearsBBC Radio 5 Sports Extra Duration: 3 hours, 45 minutes Fri 25th Aug 2017, 18:45 on BBC Radio 5 Sports ExtraLive ball-by-ball cricket commentary from the T20 quarter-final between Surrey and Birmingham Bears.GenresSportCricketSeriesCricket Source: BBC Online