to thoroughly research rival team's tactics and playing style. Pre-planned plays off free kicks and tactical fouls to stop rival advances were highly criticized at the time, but have since been adopted by virtually every team in the world. So are other practices, like the offside trap (having the defense step forward in sync to force opposing players into an offside position) and using screens at corner kicks. Legacy Zubeldía's legacy was carried to fruition by the key tactical player of his Estudiantes, Carlos Bilardo, who went on to become one of the most successful coaches in Argentine history. Bilardo dedicated to his mentor both the 1982 Metropolitano title won by Estudiantes and the 1986 FIFA World Cup title won by Argentina. External links Estudiantes profile The glory in Atletico Nacional, 1981 1927 births 1982 deaths People from Junín, Buenos Aires Argentine people of Basque descent Sportspeople from Buenos Aires Province Argentine footballers Club Atlético Vélez Sarsfield footballers Boca Juniors footballers Club Atlético Atlanta footballers Club Atlético Banfield footballers Argentine Primera División players Argentine football managers Argentina national football team managers Estudiantes de La Plata managers Club Atlético Huracán managers San Lorenzo de Almagro managers Atlético Nacional managers Association football forwards