“Scheduling pressure on international football from disgruntled clubs has one big positive for fans; the increasing presence of exciting and meaningful double-headers in the space of five days. This week’s raft of World Cup qualification doubles will go some way to deciding the line-up for Brazil next summer, with some new names on the brink of a first participation and some established ones facing the hour where it’s put up or shut up. Here are some of the major plot lines to look out for over the coming days.” ESPN (Video)