| A(D) | Club | VS | MD | |
|---|---|---|---|---|
| 31(156) | Saracens | Northampton Saints | 20-Jan-2018 | Match Details |
| 30(173) | Clermont Auvergne | Ospreys | 20-Jan-2018 | Match Details |
| 30(129) | Racing CF | Munster | 21-Oct-2017 | Match Details |
| 30(45) | Ulster | La Rochelle | 22-Oct-2017 | Match Details |
| 30(350) | Toulon | Bath | 16-Dec-2017 | Match Details |
| 30(345) | Leinster | Scarlets | 21-Apr-2018 | Match Details |
| 30(281) | Montpellier | Exeter Chiefs | 22-Oct-2017 | Match Details |
| 29(185) | Exeter Chiefs | Glasgow Warriors | 20-Jan-2018 | Match Details |
| 29(156) | Castres | Munster | 15-Oct-2017 | Match Details |
| 29(134) | Bath | Benetton Treviso | 20-Jan-2018 | Match Details |
| 29(76) | La Rochelle | London Wasps | 10-Dec-2017 | Match Details |
| 29(58) | Northampton Saints | Saracens | 15-Oct-2017 | Match Details |
| 29(310) | Leicester Tigers | Munster | 09-Dec-2017 | Match Details |
| 29(218) | London Wasps | La Rochelle | 17-Dec-2017 | Match Details |
| 29(209) | Harlequins | London Wasps | 13-Jan-2018 | Match Details |
| 28(0) | Benetton Treviso | Scarlets | 16-Dec-2017 | Match Details |
| 28(291) | Glasgow Warriors | Montpellier | 16-Dec-2017 | Match Details |
| 28(225) | Munster | Castres | 21-Jan-2018 | Match Details |
| 27(70) | Scarlets | Bath | 20-Oct-2017 | Match Details |
| 27(362) | Ospreys | Clermont Auvergne | 20-Jan-2018 | Match Details |
MD = Match date,
A(D) = Age(days).