Blackpool defender Craig Cathcart has suffered a back injury on duty with Northern Ireland.
Cathcart has withdrawn from Tuesday's Euro 2012 qualifier against the Faroe Islands after failing to recover from a back injury.
Blackpool centre-half Cathcart will not travel to Toftir, Northern Ireland managed Nigel Worthington has confirmed.
The 21-year-old, who moved to Blackpool from Manchester United this year, had already sat out Friday's 0-0 draw with Italy after suffering a back spasm in his club's 2-0 win at Liverpool.