CHRIS DUNLAVY suggests some outsiders who could provide surprises this summer in Rio

WHEN is a dark horse not a dark horse? Well, when they’re ranked fifth in the world and armed to the teeth with world-class players.So if Belgium are a dark horse then England are a pot-bellied pony. The men in red are serious contenders.So who are the real dark horses? Who are the teams who could just spring a Greece 2004 – though hopefully by launching an attack at some point? Here are a handful to watch out for.Colombia THERE is rarely any middle-ground with the enduringly merc...