Finn Harps are without the banned Jonathan Minnock, Michael Funston and Darren Meenan as they look for a first win in eight games.
An ankle injury also rules out striker Davitt Walsh.
Ryan McGavigan, Shane O'Connor and Matthew Crossan are drafted in with the bench made up of players from the under-21 squad.
County continue without key midfielder Alan Byrne (broken arm).
