FIFA World Rank: 5
Nickname: La Albiceleste (The White and Sky Blue)
Coach: Alejandro Sabella
Player to know: Lionel Messi, forward. Simply put, he won World Player of the Year in 2010, 2011, and 2012 before being unseated by Cristiano Ronaldo.
FIFA World Rank: 21
Nickname: Zmajev (The Dragons)
Coach: Safet "Pape" Sušić
Player to know: Edin Džeko, forward. Scored 16 goals in 31 Premier League games for Manchester City.
FIFA World Rank: 43
Nickname: Team Melli (The National Team)
Coach: Carlos Queiroz
Player to know: Reza Ghoochannejhad, forward. Attack, attack, attack, score. That's how he rolls.
FIFA World Rank: 44
Nickname: Super Eagles
Coach: Stephen Keshi
Player to know: Vincent Enyeama, goalkeeper. He's the one charged with making Lionel Messi and Edin Džeko stay quiet. Good luck
Argentina and Bosnia advance.