GLASGOW, SCOTLAND - OCTOBER 01: Celtic fans welcome the teams prior to the UEFA Champions League Group H match between Celtic and FC Barcelona at Celtic Park Stadium on October 1, 2013 in Glasgow, Scotland. (Photo by Jeff J Mitchell/Getty Images)
GLASGOW, SCOTLAND - OCTOBER 01: Celtic fans welcome the teams prior to the UEFA Champions League Group H match between Celtic and FC Barcelona at Celtic Park Stadium on October 1, 2013 in Glasgow, Scotland. (Photo by Jeff J Mitchell/Getty Images)