Trivia

FIFA World Cup-winner in 1978. He was also part of the Argentine squad in the 1982 FIFA World Cup.

Midfielder for Newell's Old Boys (1974-1981) and River Plate (1981-1988).

Won the Argentine Primera División (1981 Nacional, 1985/86), Copa Libertadores (1986), Intercontinental Cup (1986) and Interamerican Cup (1987) with River Plate.

73 appearances for Argentina National Football Team (1975-1982).

Worked in the Daniel Passarella's technical staff in 1989-94 and 1995-98.

Head coach for River Plate (1994, 1999-01), C.A. Independiente (2002-03, 2009-10), Newell's Old Boys (2004, 2014-15), Deportivo Toluca (2005-07), Tigres U.A.N.L. (2007-08), Colo-Colo (2011) and Panama National Football Team (2019-).

As a coach, he won the Argentine Primera División (1994 Apertura, 2000 Clausura) with River Plate; Argentine Primera División (2002 Apertura) with C.A. Independiente; Argentine Primera División (2004 Apertura) with Newell's Old Boys; Liga MX (2005 Apertura) and Campeón de Campeones (2006) with Deportivo Toluca.

Father of Jeremías Gallego (b. 1980).

Was the captain of the River Plate's team who won the Copa Libertadores and the Intercontinental Cup for the first time in its history.

Played well over 400 games at Argentine Primera División.

Played well over 250 games for Newell's Old Boys.

Played well over 200 games for River Plate.