Rugby on TV: Union Bordeaux-Bégles vs Harlequins kick-off time, lineups and how to watch Investec Champions Cup quarter-final live

The Investec Champions Cup quarter-final stage is upon is, with Union Bordeaux-Bégles welcoming Harlequins to the Stade Chaban-Delmas on Saturday for the first of four thrilling knock-out matches in club rugby’s most extraordinary competition.