Strachan 's side have taken just four points from their opening three qualifiers .
Strachan 's side head south to face England in London next month knowing defeat will realistically kill off any lingering ambitions of making it to Russia in 2018 .
Strachan 's side have taken just four points from their opening three qualifiers and head south to face England in London next month knowing defeat will realistically kill off any lingering ambitions of making it to Russia in 2018 .