Croatia is a beautiful Eastern European country with 4 million population and a long coastline on the Adriatic Sea.
They finished third in their world cup debut. The best finish of a debuting team since Portugal did the same in 1966.
Steered by Luka Modric and Ivan Rakitic, Croatia are the 2nd favorites to make it through the group stages after Argentina.
Their best player is Real Madrid star Luka Modric. The 32 years old midfielder will be the engine for Croatia by doing impeccable both phases defense and attack.
Another important player to watch is 29 year old Domagoj Vida. Besiktas defender is very strong, agile and aggressive. He will make a very strong couple in central defense with Liverpool star Dejan Lovren 28 years old.
Please see here the full 23-man squad of Croatia
Nigeria (186 million population) is an picturesque African country on the Gulf of Guinea, has many natural landmarks and wildlife reserves.
Super Eagles won the most titles in the FIFA U-17 World Cup (5).
Their Best Player is midfielder of Chinese club Tianjin TEDA John Obi Mikel. The former Chelsea star 31 years old is the captain, and is a key and versatile player that can do very good both phases between boxes attack and defense.
Another player to watch is Chelsea midfielder Victor Moses. The Chelsea midfielder is aggressive, fast, works really hard and agile with the ball. He can get down the wing, cut inside and plays well with forwards to combine for one-twos.
Please see here the full 23-man squad of Nigeria