Argentina

Goalkeepers: Sergio Romero (Manchester United), Nahuel Guzman (Tigres Monterrey), Wilfredo Caballero (Chelsea), Franco Armani (River Plate)

Defenders: Gabriel Mercado (Sevilla), Federico Fazio (Roma), Nicolas Otamendi (Manchester City), German Pezzella (Fiorentina), Ramiro Funes Mori (Everton), Marcos Rojo (Manchester United), Nicolas Taglafico (Ajax), Javier Mascherano (Hebei Fortune), Marcos Acuna (Sporting Lisbon), Eduardo Salvio (Benfica), Cristian Ansaldi (Torino).

Midfielders: Ever Banega, Guido Pizarro (Sevilla), Lucas Biglia (AC Milan), Leandro Paredes (Zenit Saint Petersburg), Angel Di María and Giovani Lo Celso (Paris Saint-Germain), Enzo Perez (River Plate), Manuel Lanzini (West Ham), Pablo Perez and Cristian Pavon (Boca Juniors), Maximiliano Meza (Independiente), Ricardo Centurion (Racing), Rodrigo Battaglia (Sporting Lisbon).

Forwards: Lionel Messi (Barcelona), Gonzalo Higuain and Paulo Dybala (Juventus), Mauro Icardi (Inter Milan), Sergio Aguero (Manchester City), Diego Perotti (Roma), Lautaro Martinez (Racing).

Croazia

Goalkeepers: Danijel Subasic (Monaco), Lovre Kalinic (Gent), Dominik Livakovic (Dinamo Zagreb), Karlo Letica (Hajduk Split).

Defenders: Vedran Corluka (Lokomotiv Moscow), Domagoj Vida (Besiktas), Ivan Strinic (Sampdoria), Dejan Lovren (Liverpool), Sime Vrsaljko (Atletico Madrid), Josip Pivaric (Dynamo Kyiv), Tin Jedvay (Bayer Leverkusen), Matej Mitrovic (Club Brugge), Borna Barisic (Osijek), Zoran Nizic (Hajduk Split), Duje Caleta-Car (Red Bull Salzburg), Borna Sosa (Dinamo Zagreb).

Midfielders: Luka Modric, Mateo Kovacic (both Real Madrid), Ivan Rakitic (Barcelona), Milan Badelj (Fiorentina), Marcelo Brozovic (Inter Milan), Marko Rog (Napoli), Mario Pasalic (Chelsea), Filip Bradaric (Hajduk Split).

Forwards: Mario Mandzukic (Juventus), Ivan Perisic (Inter Milan), Nikola Kalinic (AC Milan), Andrej Kramaric (Hoffenheim), Marko Pjaca (Schalke), Ante Rebic (Eintracht Frankfurt), Duje Cop (Standard Liege), Ivan Santini (Caen).

Nigeria

Goalkeepers: Ikechukwu Ezenwa (Enyimba), Daniel Akpeyi (Chippa United), Francis Uzoho (Deportivo Fabril), Dele Ajiboye (Plateau United).

Defenders: William Ekong (Bursaspor), Leon Balogun (FSV Mainz), Olaoluwa Aina (Hull City), Kenneth Omeruo (Kasimpasa), Bryan Idowu (Amkar Perm), Chidozie Awaziem (Nantes), Abdullahi Shehu (Bursaspor), Elderson Echiejile (Cercle Brugge), Tyronne Ebuehi (Ado Den Haag), Stephen Eze (Lokomotiv Plovdiv).

Midfielders: Mikel John Obi (Tianjin Teda), Ogenyi Onazi (Trabzonspor), Wilfred Ndidi (Leicester), Oghenekaro Etebo (Las Palmas), John Ogu (Hapoel Be'er Sheva), Uche Agbo (Standard Liege), Joel Obi (Torino), Mikel Agu (Bursaspor).

Forwards: Ahmed Musa, Kelechi Iheanacho (both Leicester), Moses Simon (Gent), Victor Moses (Chelsea), Odion Ighalo (Changchun Yatai), Alex Iwobi (Arsenal), Junior Lokosa (Kano Pillars), Simeon Tochukwu Nwankwo (Crotone).

Islanda

Goalkeepers: Hannes Halldorsson (Randers), Runar Alex Runarsson (Nordsjaelland), Frederik Schram (Roskilde).

Defenders: Ari Freyr Skulason (Lokeren), Hordur Magnusson (Bristol City), Ragnar Sigurdsson (Rostov), Kari Arnason (Aberdeen), Holmar Orn Eyjolfsson (Levski Sofia), Sverrir Ingi Ingason (Rostov), Birkir Mar Saevarsson (Valur), Samuel Kari Fridjonsson (Valerenga).

Midfielders: Gylfi Sigurdsson (Everton), Aron Gunnarsson (Cardiff City), Emil Hallfredsson (Udinese), Birkir Bjarnason (Aston Villa), Johann Berg Gudmundsson (Burnley), Olafur Ingi Skulason (Karabukspor), Arnor Ingvi Traustason (Malmo), Rurik Gislason (Sandhausen).

Forwards: Alfred Finnbogason (Augsburg), Bjorn Bergmann Sigurdarson (Rostov), Jon Dadi Bodvarsson (Reading), Albert Gudmundsson (PSV Eindhoven).

Brasile

Goalkeepers: Alisson (Roma), Ederson (Manchester City), Cassio (Corinthians).

Defenders: Danilo (Manchester City), Fagner (Corinthians), Marcelo (Real Madrid), Filipe Luis (Atletico Madrid), Thiago Silva (PSG), Marquinhos (PSG), Miranda (Inter Milan) Pedro Geromel (Gremio).

Midfielders: Casemiro (Real Madrid), Fernandinho (Manchester City), Paulinho (Barcelona), Fred (Shakhtar Donetsk), Renato Augusto (Beijing Guoan), Philippe Coutinho (Barcelona), Willian (Chelsea), Douglas Costa (Juventus).

Forwards: Neymar Jr (PSG), Taison (Shakhtar Donetsk), Gabriel Jesus (Manchester City), Roberto Firmino (Liverpool).

Costa Rica

Goalkeepers: Keylor Navas (Real Madrid, Spain), Patrick Pemberton (Liga Deportiva Alajuelense), Leonel Moreira (Herediano);

Defenders: Cristian Gamboa (Celtic), Ian Smith (Norrkoping), Ronald Matarrita (New York City), Bryan Oviedo (Sunderland), Oscar Duarte (Espanyol), Giancarlo Gonzalez (Bologna), Francisco Calvo (Minnesota United), Kendall Waston (Vancouver Whitecaps), Johnny Acosta (Aguilas Dorados).

Midfielders: David Guzman (Portland Timbers), Yeltsin Tejeda (Lausanne-Sport), Celso Borges (Deportivo La Coruna), Randall Azofeifa (Herediano), Rodney Wallace (New York City), Bryan Ruiz (Sporting CP), Daniel Colindres (Saprissa), Christian Bolanos (Saprissa).

Forwards: Johan Venegas (Saprissa), Joel Campbell (Real Betis), Marco Urena (LAFC).

Messico

Goalkeepers: Guillermo Ochoa (Standard Liege), Alfredo Talavera (Toluca), Jesus Corona (Cruz Azul).

Defenders: Carlos Salcedo(Frankfurt), Nestor Araujo (Santos Laguna), Diego Reyes (Porto), Hector Moreno (Real Sociedad), Hugo Ayala (Tigres), Oswaldo Alanis (Guadalajara), Edson Alvarez (America), Jesus Gallardo (Pumas), Miguel Layun (Sevilla).

Midfielders: Jesus Molina (Monterrey), Rafael Marquez (Atlas), Hector Herrera (Porto), Jonathan Dos Santos (LA Galaxy), Andres Guardado (Real Betis), Erick Gutierrez (Pachuca), Marco Fabian (Frankfurt), Giovani Dos Santos (LA Galaxy).

Forwards: Javier Hernandez (West Ham), Raul Jimenez (Benfica), Oribe Peralta (America), Jesus Manuel Corona (Porto), Carlos Vela (Los Angeles FC), Javier Aquino (Tigres), Hirving Lozano (PSV Eindhoven), Jurgen Damm (Tigres).

Svezia

Goalkeepers: Robin Olsen (Copenhagen), Karl-Johan Johnsson (Guingamp), Kristoffer Nordfeldt (Swansea).

Defenders: Mikael Lustig (Celtic), Victor Lindelof (Manchester United), Andreas Granqvist (Krasnador), Martin Olsson (Swansea), Ludwig Augustinsson (Werder Bremen), Filip Helander, Emil Krafth (both Bologna), Pontus Jansson (Leeds United).

Midfielders: Sebastian Larsson (Hull), Albin Ekdal (Hamburg), Emil Forsberg (RB Leipzig), Gustav Svensson (Seattle Sounders), Oscar Hiljemark (Genoa), Viktor Claesson (Krasnador), Marcus Rohden (Crotone), Jimmy Durmaz (Toulouse).

Forwards: Marcus Berg (Al Ain), John Guidetti (Alaves), Ola Toivonen (Toulouse), Isaac Kiese Thelin (Waasland-Beveren).

Corea del Sud

Goalkeepers: Kim Seung-gyu (Vissel Kobe), Kim Jin-hyeon (Cerezo Osaka), Cho Hyeon-woo (Daegu FC).

Defenders: Kim Young-gwon (Guangzhou Evergrande), Jang Hyun-soo (Tokyo FC), Jeong Seung-hyeon (Sagan Tosu), Yun Yeong-seon (Seongnam FC), Kwon Kyung-won (Tianjin Quanjian), Oh Ban-suk (Jeju Utd), Kim Jin-su (Jeonbuk Hyundai), Kim Min-woo (Sangju Sangmu), Park Joo-ho (Ulsan Hyundai), Hong Chul (Sangju Sangmu), Go Yo-han (FC Seoul), Lee Yong (Jeonbuk Hyundai).

Midfielders: Ki Sung-yueng (Swansea City), Jeong Woo-young (Vissel Kobe), Kwon Chang-hoon (Dijon FCO), Ju Se-jong (Asan Mugunghwa), Koo Ja-cheol (Augsburg), Lee Jae-sung (Jeonbuk Hyundai), Lee Seung-woo (Hellas Verona), Moon Sun-min (Incheon Utd), Lee Chung-yong (Crystal Palace).

Forwards: Kim Shin-wook (Jeonbuk Hyundai), Son Heung-min (Tottenham), Hwang Hee-chan (Red Bull Salzburg), Lee Keun-ho (Gangwon FC).

Tunisia

Goalkeepers: Aymen Mathlouthi (Al-Baten), Moez Ben Cherifia (ES Tunis), Farouk Ben Mustapha (Al-Shabab), Moez Hassen (Chateauroux).

Defenders: Rami Bedoui (ES Sahel), Yohan Benalouane (Leicester City), Syam Ben Youssef (Kasimpasa), Dylan Bronn (Gent), Khalil Chammam (ES Tunis), Oussama Haddadi (Dijon) , Ali Maaloul (Al-Ahly), Yassine Meriah (CS Sfaxien), Hamdi Nagguez (Zamalek), Bilel Mohsni (Dundee United).

Midfielders: Mohamed Amine Ben Amor (Al-Ahli SC), Sai-Eddine Khaoui (Troyes), Ahmed Khalil (African Club), Ellyes Skhiri (Montpellier), Ferjani Sassi (Al-Nasr), Ghaylene Chaalali (ES Tunis), Mohamed Wael Larbi (Tours), Karim Laribi (Cesena).

Attackers: Anice Badri (ES Tunis), Fakhreddine Ben Youssef (Al-Ittifaq), Naim Sliti (Dijon), Bassem Srarfi (Nice), Ahmed Akaichi (Al-Ittihad), Wahbi Khazri (Rennes), Saber Khalifa (African Club).