England's qualification for next year's World Cup in Brazil is far from assured.
If they lose against Ukraine tomorrow, qualification falls out of their own hands and they may have to rely on a tough play-off game to see them to Brazil.
For the country home to the most watched league in the world, not being at the biggest football tournament is unthinkable.
But if England miss out on a place at the World Cup, who could replace them?
When the giants fall by the wayside, underdogs sneak in.
We look at five unlikely countries that have either already booked their place at the World Cup or are looking good to secure a spot at the coveted tournament.