[3] Ospreys 32-15 Northampton [4] 2017-12-17 15:15
Estadio: Estadio Liberty Round: 4
Árbitro: Marius Mitrea Home Manager: Steven Tandy Away Manager: Jim Mallinder
Head to Head
| European Rugby Champions Cup | 2017/12/09 17:30 | Northampton v Ospreys | W | 32-43 |
| European Rugby Champions Cup | 2015/01/18 17:30 | Ospreys v Northampton | L | 9-20 |
| European Rugby Champions Cup | 2014/10/25 16:15 | Northampton v Ospreys | L | 34-6 |
Home History
| British & Irish Cup | 2017/12/16 14:30 | Ospreys v Nottingham | L | 15-17 |
| European Rugby Champions Cup | 2017/12/09 17:30 | Northampton v Ospreys | W | 32-43 |
| Pro 14 Rugby | 2017/12/02 17:30 | Munster v Ospreys | L | 36-10 |
| Pro 14 Rugby | 2017/11/26 13:00 | Ospreys v Glasgow | L | 6-47 |
| LV Cup | 2017/11/17 19:15 | Cardiff Blues v Ospreys | W | 16-26 |
| LV Cup | 2017/11/10 19:30 | Ospreys v Wasps | L | 12-36 |
| Pro 14 Rugby | 2017/11/04 17:30 | Edimburgo v Ospreys | L | 37-10 |
| Pro 14 Rugby | 2017/10/27 18:35 | Ospreys v Newport Gwent Dragons | W | 28-14 |
Away History
| European Rugby Champions Cup | 2017/12/09 17:30 | Northampton v Ospreys | L | 32-43 |
| Premiership Rugby | 2017/12/01 19:45 | Northampton v Newcastle Falcons | L | 22-24 |
| Premiership Rugby | 2017/11/25 17:30 | Sale Sharks v Northampton | L | 18-15 |
| Premiership Rugby | 2017/11/18 13:00 | Worcester Warriors v Northampton | L | 30-15 |
| LV Cup | 2017/11/11 17:15 | Northampton v Newport Gwent Dragons | W | 41-7 |
| LV Cup | 2017/11/04 15:00 | Exeter Chiefs v Northampton | L | 43-28 |
| Premiership Rugby | 2017/10/28 14:00 | Northampton v Wasps | L | 22-38 |
| European Rugby Champions Cup | 2017/10/21 14:15 | Clermont v Northampton | L | 24-7 |