12:00Olympic Boxing2008Middleweight and Light-Heavyweight PreliminariesBBC Sport Duration: 3 hours Sat 9th Aug 2008, 12:00 on Satellite and Cable SixLive action from the middleweight and light-heavyweight preliminaries.GenresSportBoxingSportOlympicsBrandOlympic BoxingSeriesOlympic Boxing: 2008 Source: BBC Online