Defensive Line
| Player | Team | Position | Depth | G | GS |
|---|---|---|---|---|---|
 Neil Graham | Belfast Trojans | Defensive End | 1 | 1 | 1 |
 Eoin Feely | University College Dublin | Defensive End | 2 | 1 | 1 |
 Paddy Sweeney | University College Dublin | Defensive Tackle | 3 | 1 | 1 |
 Adrian Garvey | UL Vikings | Defensive Tackle | 4 | 1 | 1 |
 Niall Burke | South Dublin Panthers | Defensive Tackle | 5 | 1 | 0 |
 Aaron Hogan | Cork Admirals | Defensive End | 6 | 1 | 0 |
 Sean Tynan | Cork Admirals | Defensive End | 7 | 1 | 0 |
 Conor Whitla | Belfast Trojans | Defensive Tackle | 8 | 1 | 0 |
Linebackers
| Player | Team | Depth | G | GS |
|---|---|---|---|---|
 Martin Mulrey | Cork Admirals | 1 | 1 | 1 |
 Spencer McDowell | Belfast Knights | 2 | 1 | 1 |
 Harris Monaghan | Cork Admirals | 3 | 1 | 0 |
 Larry Doyle | University College Dublin | 4 | 1 | 0 |
Defensive Backs
| Player | Team | Position | Depth | G | GS |
|---|---|---|---|---|---|
 Alex Kusmirek | Belfast Trojans | Safety | 1 | 1 | 1 |
 Ayodele Mumuni | Cork Admirals | Long Snapper, Safety | 2 | 1 | 1 |
 Dom Olney | Pori Bears (Finland) | Cornerback, Safety | 3 | 1 | 1 |
 Finn Kearns | Pori Bears (Finland) | Cornerback | 4 | 1 | 1 |
 Sean Sheehy | UL Vikings | Cornerback | 5 | 1 | 1 |
 Conrad Cook | Dublin Rebels | Safety | 6 | 1 | 0 |
 Kevin Fitzgerald | Dublin Rebels | Safety | 7 | 1 | 0 |
 Dave Healy | Cork Admirals | Safety | 8 | 1 | 0 |
 Eoin Neville | South Dublin Panthers | Cornerback | 9 | 1 | 0 |