Klopp: Liverpool, Iraola 'need luck' in long-term

It's the perfect time to take stock of which teams are set up for success and which might be tumbling out of the tournament earlier than expected.

With the field down to 32, let's review why each country still in with a shout could go all the way.

Lionel Messi came off the bench in Argentina's group stage finale against Jordan in the World Cup and scored in a 3-1 victory for the reigning champions.