Buenos Aires, May 16 -- Argentina's River Plate secured a berth in the Copa Libertadores round of 16 with a 6-2 home win over Ecuadorian side Independiente del Valle.

Sebastian Driussi put the hosts ahead at Estadio Monumental by firing home from close range after Lucas Martinez Quarta's headed flick on Thursday. But Michael Hoyos and Claudio Spinelli struck in quick succession as the visitors took the lead with less than 22 minutes gone.

Luis Zarate gifted River an equalizer with an own goal, but worse was to come for Independiente as Mateo Carabajal was sent off on the stroke of halftime for a rash challenge on teenager Franco Mastantuono.

The latter continued his prolific scoring form by calmly dispatching the resultant penalty. Ri...