Meet the managers of those nations contesting World Cup 2014's Group F in Brazil.
Argentina
Manager: Alejandro Sabella
Age: 59
Following Sabella’s appointment as Argentina’s manager in August 2011, he chose Lionel Messi as the new captain. The 59-year-old has urged his players to work around their star player, in order to get the best out of him.
Argentina coach Alejandro Sabella
Previous jobs: Estudiantes (2009-11).
Killer fact: During his playing career, Sabella had the nickname Pachorra ("Sloth"), because of his perceived slowness during play.
Nigeria
Manager: Stephen Keshi
Age: 52
Stephen Keshi found his place in the history books when he became one of only two people to win the Africa Cup of Nations as both a coach and player. He has been the Nigeria manager since 2011 after gaining his coaching education in the USA.
Previous jobs: Togo (2004-06, 2007-08 & 2011), Mali (2008-10).
Killer fact: After winning the Africa Cup of Nations with Nigeria in 2013, Keshi announced his resignation, only to reverse the decision 24 hours later.
Bosnia & Herzegovina boss Safet Susic
Bosnia and Herzegovina
Manager: Safet Susic
Age: 59
Both for Susic personally, as well as for his Bosnia and Herzegovina squad, Brazil 2014 will be a historic first World Cup. The 59-year-old spent most of his playing career at Paris Saint-Germain and was named their best player of all time by France Football magazine in 2010.
Previous jobs: Cannes (1994-95), Istanbulspor (1996-98), Al-Hilal (2001), Konyaspor (2004-05), Ankaragucu (2005-06), Caykur Rizespor (2006 & 2008), Ankaraspor (2008-09).
Killer fact: In 2004 he was selected as the Golden Player of Bosnia & Herzegovina by their football association, labelling him as their most outstanding player of the past 50 years.
Iran
Manager: Carlos Queiroz
Age: 61
Iran boss Carlos Queiroz has a wealth of World Cup experience
Carlos Queiroz boasts an impressive World Cup CV, having now led three countries to the tournament (South Africa in 2006, Portugal in 2010 and now Iran). Since taking over in 2011, Queiroz has caused controversy by introducing players born outside of Iran to the national team. The former Manchester United assistant boss also took Portugal's 'Golden Generation' to the FIFA World Youth Championship in 1989 and 1991.
Previous jobs: Portugal U20 (1989-91), Portugal (1991-93 & 2008-2010), Sporting CP (1994-96), NY/NJ MetroStars (1996), Nagoya Grampus Eight (1996-97), United Arab Emirates (1998-99), South Africa (2000-2002), Manchester United (assistant manager 2002-03 & 2004-08), Real Madrid (2003-04).
Killer fact: Born in Mozambique, he coached the Portuguese under-20 side to two Football World Youth Championship wins, in the 1989 and 1991 tournaments
