see more

GLASGOW, SCOTLAND - APRIL 29: Celtic fans unveil a banner depicting their version of the four horsemen of the apocalypse during the Clydesdale Bank Premier League match between Celtic and Rangers at Celtic Park on April 29, 2012 in Glasgow, Scotland. (Photo by Jeff J Mitchell/Getty Images)

GLASGOW, SCOTLAND - APRIL 29:  Celtic fans unveil a banner depicting their version of the four horsemen of the apocalypse during the Clydesdale Bank Premier League match between Celtic and Rangers  at Celtic Park on April 29, 2012 in Glasgow, Scotland.  (Photo by Jeff J Mitchell/Getty Images)