Star man: Ashkan Dejagah (Fulham)
One to watch: Reza Ghoochannejhad (Charlton)
Coach: Carlos Queiroz (above)
Qualified: Asia group winners
Best World Cup: First round (1978, 1998, 2006)
Predicted group finish: 4
Iran go to Brazil knowing that they need to continue where they left off in qualifying, with a solid defence and a fierce loyalty to one another at the heart of their success. Carlos Queiroz knows that he has a real chance to create a legacy in Iran and has a quiet confidence that they can make an impact, which in turn would generate even more interest.
Star man: John Obi Mikel (Chelsea)
One to watch: Ogenyi Onazi (Lazio)
Coach: Stephen Keshi (above)
Qualified: Africa play-off winners
Best World Cup: Round of 16 (1994, 1998)
Predicted group finish: 3
Twenty years after captaining Nigeria at their firstWorld Cup, Stephen Keshi will attempt to take the Super Eagles to new heights when he returns to the greatest show on earth as a manager. The former Togo coach has enjoyed great success since becoming Nigeria boss in 2011, steering his country to their first African Nations Cup title in 19 years.