On Monday, the Irish FA said that central defender McAuley had withdrawn from Friday's match for personal reasons with his West Bromwich Albion team-mate Brunt ruled out by groin and knee injuries and Rotherham midfielder O'Connor absent because of a thigh strain.
Derby striker Ward then pulled out of the squad on Tuesday because of a bruised foot while Ferguson's withdrawal reduces O'Neill's squad to only 18 players.
Michael O'Neill keen to look at fringe players in Turkey friendly
Palermo striker Lafferty is unavailable as his wife is due to give birth on Friday, while midfielder Evans and defender Cathcart are injured.
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