- DOB4 Jan 1995
Joining up with Northampton Saints in February 2021, Oisín Heffernan arrived at Franklin's Gardens from Championship outfit Nottingham Rugby.
English-qualified Heffernan originally hails from Clifden Galway in the west of Ireland, but came through the Leinster Rugby Schools set-up before making three appearances in the Pro14 for the senior side.
During his time in Leinster’s Academy, the 118kg, 6’1” prop was selected to represent Ireland U20s for two seasons, making 20 appearances for his country across the U20 Six Nations and Junior World Championship competitions.
Heffernan also spent time in Australia playing in Queensland’s Premier Rugby competition before signing for Nottingham back in 2018 where he made 44 appearances and scored three tries.