Oisin Heffernan History
| Club | Country | Position | NO | From | To |
|---|---|---|---|---|---|
| Ireland U20 | Ireland | Prop | 01/01/2014 | 01/04/2015 | |
| Leinster | Ireland | Prop | 01/08/2014 | 01/06/2018 | |
| Nottingham | England | Prop | 01/07/2018 | 01/06/2020 | |
| Northampton Saints | England | Prop | 01/04/2021 | ||
| Bedford Blues | England | Prop | 01/07/2021 |
NO = Player number .