River Plate and Colo-Colo reached the Copa Libertadores quarter-finals in contrasting fashion on Wednesday.
A 3-0 win at home to Racing Club saw River ease into the last eight in Buenos Aires, thought there were three red cards as the visitors finished with nine men.
Lucas Pratto opened the scoring for River, who earned a 0-0 draw in the first leg, by sweeping home a Gonzalo Montiel cutback after a fine team move in the 11th minute.
The hosts doubled their lead approaching the half-hour mark through Exequiel Palacios.
River's victory was sealed with nine minutes remaining when Rafael Santos Borre side-footed in an Ignacio Fernandez corner.