Under-21 international Gary Dicker is suspended for UCD, while fellow midfielder Paul Crowley is cup-tied for the FAI Cup third round visit of Limerick FC to Belfield Park today.
Left-back Keith Doyle is also ruled out with a broken wrist.
Under-21 manager Billy Barrett and coach Eoin Killackey take charge of managerless Limerick FC.
Reserve goalkeeper John Healy hopes to be fit to start as first choice Noel Mooney is injured and new signing Austin O'Neill is ineligible.
Midfielder Tommy Barrett stands by to play in goal. Central defender Pat Purcell and Colm Heffernan are doubts with injuries, but expect to be passed fit.
Kick-off at Belfield is at 5.15pm.
