In case you haven't been reading them, the terrific tactics site Zonal Marking has been offering tactical previews for the Euro quarter-final matches. Here is the one for today's Spain vs. France encounter. For Spain, will Del Bosque make changes so that Spain has more attacking variety? For France, will Blanc switch from a 4-2-3-1ish system to a more conservative 4-3-3ish one in order to congest the midfield?