The football game which you"ll see during the flashback in Spain is actually a qualification game between Macedonia and the Netherlands on October 11th 2008 for the World Cup 2010 in South-Africa. The blue jersey the 'bad' guy is wearing is from the football club Dynamo Kyiv/Kiev.
This episodes has two fan favorite alums of Stargate SG-1. Carmen Argenziano who played Jacob Carter/Selmac and Tony Amendola who played Bratac.