Complex sentence: Persidis died in Vienna on 21 January 2009 at the age of 61, with the Austrian Football Association holding a minute's silence in his honour at the national team's friendly against Sweden in Graz on 11 February.
Split into simpler sentences: Persidis died in Vienna on 21 January 2009 at the age of 61, with the Austrian Football Association holding a minute's silence in his honour at the national team's next friendly game. There will be a minute's silence before the friendly against Sweden in Graz on 11 February.