Indeed, Alejandro Sabella's squad contains several stars who would walk into most other starting XIs at the World Cup.
This includes Napoli striker Gonzalo Higuain, Manchester City duo Sergio Aguero and Pablo Zabaleta, Barcelona defender-cum-midfielder Javier Mascherano and Real Madrid winger Angel Di Maria.
With a World Cup being played in South Amercia for the first time since 1978, Messi insists Argentina will be among the favourites.
"No, there is no pressure. Argentina is always obliged to fight for the championship," he said.
"It's always among the favourites because of the relevance of Argentinean football. I think we are in a good place now. We have a good opportunity of doing something big. We are calm and excited to achieve our goal."
For Bosnia and Herzegovina it will be their first ever World Cup finals.
Led at the front by the free scoring Edin Dzeko of Manchester City and Vedad Ibisevic of Stuttgart in the German Bundesliga, Bosnia Herzegovina has set the Round of 16 as a minumum requirement.
The Balkan nation will likely have to battle it out for second spot in Group F with Nigeria.
The team going to Brazil boasts some serious talent in Chelsea midfielder John Mikel Obi, Victor Moses on loan at Liverpool, and Fenerbahçe striker Emmanuel Emenike.
The Super Eagles' coach Stephen Keshi, says his charges are relishing the chance to come up against countries like Argentina.
"Argentina and Nigeria - we keep playing Argentina every time in the World Cup. It's good. We'll see how we go this time. Not know Bosnia, they're a difficult team, but they're a good team. I think I've seen them once or twice on TV. Iran, I've never seen them. But for them to be here, it means they're a good team."
That leaves the minnows of Group F and one of the tournament's least-known teams: Iran.
The Persian Stars team boasts Belgium-based striker Reza Ghoochannejhad and Ashkan Dejagah - who's played in the Bundesliga and is now with Fulham in England.
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