Trivia

Made his Argentine Primera División debut at the 16 age. (August 1996)

Played with Argentina U17 and U20 level. Honours: South American U17 Championship (1995 runner-up); FIFA U17 World Cup (1995 third-place); South American U20 Championship (1997, 1999); FIFA U20 World Cup (1997).

Midfielder for River Plate (1996-2000, 2015), Valencia C.F. (2001-2006), Real Zaragoza (2006-2008), S.L. Benfica (2008-2013), Johor Darul Ta'zim (2013-14) and Estudiantes de Río Cuarto (2018); in all 574 games and 88 goals.

Honours with River Plate: Argentine Primera División (1996 Apertura, 1997 Clausura, 1999 Apertura, 2000 Clausura); Supercopa Sudamericana (1997). Honours with Valencia C.F.: La Liga (2002, 2004); UEFA Cup (2004); UEFA Super Cup (2004). Honours with S.L. Benfica: Portuguese League Cup (2009, 2010, 2011, 2012); Portuguese League (2010).

52 appearances for Argentina National Football Team (1999-2009); scored 8 goals. Member of the Copa América 1999, 2007, and the Korea/Japan '02 and Germany '06 squads.

Won the EFE Trophy as the best Ibero-American player in the 2005-06 La Liga.

Father of, with Ana Belén Ordoñez, Agustín, Sara, Juana and Eva.

Bronze Ball at 1997 FIFA U20 World Cup.

Member of the Argentine National team who finished runner-up of the 2005 FIFA Confederations Cup and 2007 Copa América.

2015: Retired from football at the age 35.

Named in the South American Team of the Year in 1999 and 2000.

His brother Andrés Aimar is also a soccer player.

Two-time Ballon d'Or nominee (2002 and 2003).

Top Assists of the UEFA Champions League (2003).

Played well over 200 games for Valencia C.F..

Played well over 150 games for S.L. Benfica.

Played well over 100 games for River Plate.

Scored well over 100 goals in his career.

Scored once a hat trick in his career against Athletic Bilbao.

(2017-) Head coach of the Argentina National U17 team.

As a coach, he won the 2019 South American Championship with Argentina U17.

Works as technical assistant of Lionel Scaloni's staff since 2018.