With both teams having won one game each, a playoff match had to be played at Estadio Nacional in Santiago, Chile.

Peñarol became champions there after beating América 1–0 at the end of extra time,[1] winning their fifth Copa Libertadores.

[2] As América would have been crowned champions with a tie because of goal difference, Diego Aguirre’s last-minute goal for Peñarol at minute 120 of extra time is considered one of the most emblematic moments in the history of the competition.

The team that accumulated the most points —two for a win, one for a draw, zero for a loss— after the two legs were crowned champion.

If the two teams were tied on points after the second leg, a playoff at a neutral was to be the next tie-breaker.