Complex sentence: He received his first call-up to the Northern Ireland squad on 14 March 2011, for the Euro 2012 qualifiers against Serbia and Slovenia, and made his Northern Ireland debut in the match against Serbia on 25 March 2011.
Split into simpler sentences: He received his first call-up to the Northern Ireland squad on 14 March 2011, for the Euro 2012 qualifiers against Serbia and Slovenia. He made his Northern Ireland debut in the match against Serbia on 25 March 2011.