17:155 Live SportFA Cup 2010-11Manchester United v ArsenalBBC Radio 5 Live Duration: 2 hours, 5 minutes Sat 12th Mar 2011, 17:15 on BBC Radio 5 LiveLive FA Cup quarter-final football commentary on Manchester United v Arsenal. Plus Six Nations rugby union updates on Wales v Ireland.GenresSportFootballFormatsPerformances & EventsBrand5 Live SportSeries5 Live Sport: FA Cup 2010-11 Source: BBC Online