Published Wednesday, 10 October 2012
Four players have been withdrawn from the NI squad. (© Getty)
James McPake has an Achilles problem, Joe Dudgeon has a knee injury and midfielder Shane Ferguson has a hip problem.
Martin Paterson has been ruled out due to "ongoing fitness issues".
Daniel Lafferty, Lee Hodson and Rory McArdle have been called-up to the squad for Tuesday's match at Dragao Stadium in Porto.
Northern Ireland squad in full:
Goalkeepers: Roy Carrol (Olympiacos), Alan Mannus (St Johnstone), Michael McGovern (Falkirk).
Defenders: Aaron Hughes (Fulham), Ryan McGivern (Manchester City), Jonathan Evans (Manchester United), Craig Cathcart (Blackpool), Alex Bruce (Hull City), Daniel Lafferty (Burnley), Lee Hodson (Watford), Rory McArdle (Bradford City).
Midfielders: Chris Baird (Fulham), Steven Davis (Southampton), Grant McCann (Peterborough Utd), Oliver Norwood (Huddersfield Town), Corry Evans (Hull City), Niall McGinn (Aberdeen), Pat McCourt (Celtic), Josh Carson (Ipswich Town).
Forwards: David Healy (Bury), Dean Shiels (Rangers), Kyle Lafferty (FC Sion), Will Grigg (Walsall).