The 2004 CONMEBOL Pre-Olympic Tournament was an international football tournament held in Chile from 7 to 25 January 2004. The ten national teams involved in the tournament were required to register a squad of 20 players, of which two had to be goalkeepers (FIFA Regulations Article 25). Only players in these squads are eligible to take part in the tournament. The tournament exclusively required players to be born on or after 1 January 1981 to be eligible (CONMEBOL Regulations Article 2.3).
Each national team had to submit its roster of 20 players to the CONMEBOL Organizing Committee by 2 January 2004, five days before the start of the tournament (CONMEBOL Regulations Articles 2.1). Players who had participated in a previous Olympic Tournament, either in the preliminary competition or the final competition, were eligible to take part in this tournament. (CONMEBOL Regulations Article 2.4).
The age listed for each player is as of 7 January 2004, the first day of the tournament. A flag is included for coaches who are of a different nationality than their own national team. Players name marked in bold have been capped at full international level.
Chile announced a 22-man preliminary list on 27 December 2003. The final squad of 20 players was announced on 2 January 2004, with defender Adán Vergara and forward Paulo Pérez being ruled out from the preliminary list.
Players such as Mauricio Pinilla (Chievo), Waldo Ponce (VfL Wolfsburg), Luis Jiménez (Ternana) and Jaime Valdés (Bari) were not included due to injuries or because their clubs did not release them.
Head coach: Juvenal Olmos
Brazil announced a 17-man preliminary list on 8 December 2003. The final squad of 20 players was completed on 19 December 2023, with defender Adriano being replaced by Rodolfo due to an injury and forward Nenê being ruled out as he was not released by his club Mallorca. Subsequently, defender Luisão was not released by his club Benfica and was replaced by AdaÃÂlton.
Kaká (Milan) and Júlio Baptista (Sevilla) were not part of the team as their clubs decided not to release them.
Head coach: Ricardo Gomes
Uruguay announced their 20-man squad on 2 January 2004. Forward Germán Hornos was not part of the team as its club Sevilla decided not to release him.
Head coach: Juan Ramón Carrasco
====== Head coach: Carlos Jara Saguier
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Venezuela announced their 20-man squad on 30 December 2003. On 3 January 2004, defender Franklin Lucena was replaced by Daniel Godoy due to an injury.
Head coach: Ramón Hernández
Argentina announced their 20-man squad on 23 December 2003. Players such as Javier Saviola (Barcelona), Andrés D'Alessandro (VfL Wolfsburg), Maxi RodrÃÂguez (Espanyol), MatÃÂas Lequi (Atlético Madrid), Fabricio Coloccini (Villarreal), Mario Santana (Chievo) and Fernando Cavenaghi (River Plate) were not included in the team as their clubs decided not to release them.
Head coach: Marcelo Bielsa
Colombia announced their 20-man squad on 31 December 2003.
Head coach: Jaime de la Pava
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Peru announced their 20-man squad on 3 January 2004.
Head coach: Paulo Autuori
====== Coach: José Jacinto Vega
====== Head coach: Nelson Acosta