Head to Head
| Friendlies | 2018/08/11 14:00 | Ospreys v Northampton | L | 13-26 |
| European Rugby Champions Cup | 2017/12/17 15:15 | Ospreys v Northampton | W | 32-15 |
| 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 |