| Friday 9th May 2008 | ||||
| The Magners League | ||||
| Connacht | v | Ospreys | Galway Sportsground | (18:30) |
| Ulster | v | Cardiff Blues | Ravenhill | (19:30) |
| Saturday 10th May 2008 | ||||
| Guinness Premiership | ||||
| Leeds Carnegie | v | Wasps | Headingley | (15:00) |
| Saracens | v | Bristol | Vicarage Road | (15:00) |
| Worcester | v | Newcastle | Sixways Stadium | (15:00) |
| Gloucester | v | Bath | Kingsholm | (15:00) |
| Sale | v | London Irish | Edgeley Park | (15:00) |
| Leicester | v | Harlequins | Welford Road | (15:00) |
| The Magners League | ||||
| Munster | v | Glasgow | Thomond Park | (17:00) |
| Llanelli Scarlets | v | Edinburgh | Stradey Park | (17:30) |