For all the talk about England's progress under Gareth Southgate, his youthful side have yet to be truly examined in this World Cup but Tuesday's last 16 opponents Colombia will certainly ask the right questions.
With or without their talented number 10 James Rodriguez, the South American possess plenty of talent and their run to the quarterfinals in Brazil four years ago showed they are capable of something England haven't managed in 12 years — winning in the knockout stage.
England qualified from Group G thanks to wins over Tunisia and Panama and with their place booked they fielded a second-string side in their 1-0 defeat to a similarly weakened Belgium in a strange final group game that neither side showed much desire to win.
