McAuley is a serious concern with a groin problem that caused him to miss Northern Ireland's game against Albania in midweek and is unlikely to feature.
Delaney is also attempting to shake off a groin problem, however his injury is not thought to be as severe as defensive partner McAuley's.
Goalkeeper Richard Wright is in contention for the first time since injuring his knee ligaments in November after coming through two reserve-team games in recent weeks, however Keane still has winger Luciano Civelli out with his serious knee injury.
Midfielder Grant Leadbitter is walking the suspension tightrope having picked up nine bookings so far this season for an Ipswich side that have won three of their 10 league games so far this year.
