Drogheda, now locked in a battle with champions Cork City for third place, remain without injured James keddy and Tony Grant but have Shane Barrett and Simon Webb in contention to start again.
'We just owe it to ourselves to make sure we get into Europe and are in a position to defend the Setanta Cup next season,' said defender Graham Gartland.
Longford, whose target is a mid-table finish, are without banned duo Danny O’Connor and Davy Byrne while Kevin Doherty and John Martin are injured. Dean Fitzgerald remains unavailable.