Offaly manager Tom Cribbin and his Down counterpart James McCartan have named their sides for Saturday's Round 3 All-Ireland Senior Football Qualifier at O'Connor Park, Tullamore (7pm).
Cribbin has been forced into making one change in personnel to his side from the team which beat Waterford last weekend, with captain Karol Slattery ruled out due to a hamstring injury.
The Gracefield defender exited last Saturday's clash with the Deise after just 26 minutes, having initially just come through a late fitness test to start the game.
Slattery is replaced by Tullamore's Paul McConway at left-half-back.
Despite just one change in personnel, there are a number of positional changes to the Offaly midfield and attack, from last Saturday's five-point win.
Brian Connor drops back from the half-forward line to partner Richie Dalton at midfield. Niall McNamee switches to centre-half-forward, with John Coughlan flanked by Ken Casey and Anton Sullivan on the full-forward line.
Meanwhile, visitors Down have opted for an unchanged line-up from the team which beat Longford by 1-14 to 1-10 at Pairc Esler, Newry last Saturday.
OFFALY (SF v Down): A Mulhall; B Darby, S Brady, S Pender; N Darby, R Brady, P McConway; R Dalton, B Connor; G Guilfoyle, N McNamee, C McManus; K Casey, J Coughlan, A Sullivan.
DOWN (SF v Offaly): B McVeigh; D Rooney; D Gordon, D Rafferty; D O’Hagan, J Colgan, C Garvey; A Rogers, K King; D Hughes, M Poland, B Coulter; C Maginn, J Clarke, M Clarke.