Sebastián Domínguez

Dominguez made his professional debut for Newell's Old Boys in 1998, at 18 years. At an early age he was purchased by a third-party and loaned to Talleres de Córdoba along with his teammate Maxi Rodríguez, but he was never authorized to play for the club and returned to Newell's shortly after. He played as a defensive midfielder until 2004, when he was moved to centre back by coach Américo Gallego and he captained the team that won the 2004 Apertura tournament, thus breaking the club's 12-year title drought. The central defender played 18 games (out of 19) during the tournament, all of them as a starter. After winning the league championship with Newell's, Domínguez was purchased by third-party Media Sports Investment for $2.5 million (US), that loaned him along with fellow Argentine players Carlos Tevez and Javier Mascherano to Brazilian side SC Corinthians. With his new club, he won the 2005 Campeonato Brasileiro Série A. During the 2007 January transfer window, Domínguez returned to Argentina to play for Estudiantes de La Plata, under Diego Simeone's coaching. He played with the team the whole year, after which he was signed by Mexico side América in January 2008. Although he helped the team to win the 2008 InterLiga and scored in the derby against Chivas de Guadalajara, he was released from his contract at year-end. On 27 January 2009, Vélez Sársfield signed the defender on a free transfer. He immediately established himself as a starter as center back playing along…

On 31 August 2009 Domínguez was called up by coach Diego Maradona for the Argentina national team, along fellow Vélez Sársfield teammates Nicolás Otamendi and Emiliano Papa. With Argentina, the defender started the World Cup qualifier games against Brazil and Paraguay (both defeats for Argentina). Domínguez was later called by coach Alejandro Sabella for the 2011 and 2012 editions of the friendly competition Superclásico de las Américas, in which he captained the national team. He was also called by Sabella for 2014 World Cup qualifying matches, including the last two against Peru and Uruguay. However, he did not take part of the squad for the World Cup.

After retiring, Domínguez worked as a panelist in TV sport programmes before joining the staff of Hernán Crespo at Al-Duhail in 2022. On 5 April 2024, he was appointed manager of Tigre. On 27 December 2024, Domínguez agreed to return to Vélez, now as first team manager. The following 2 March, however, he resigned. On 18 March 2026, Domínguez was announced as manager of Deportivo Garcilaso in Peru. On 27 July, he returned to his home country and took over Central Córdoba.

Domínguez was born in Buenos Aires and moved to Rosario at an early age with the relocation of his parents'. There, he played in the youth system of Newell's Old Boys. His father coached Lionel Messi in the club's youth divisions.