The Copa Mercosur 2001 was the 4th and final staging of the international club cup. The competition started on 21 July 2001 and concluded on 24 January 2002 with San Lorenzo beating Flamengo in the final. Participants Argentina (6) Boca Juniors San Lorenzo Independiente Vélez Sársfield River Plate Talleres Brazil (7) Vasco da Gama Flamengo Corinthians Cruzeiro São Paulo Palmeiras Grêmio Chile (3) Universidad Católica Colo Colo Universidad de Chile Paraguay (2) Cerro Porteño Olimpia Uruguay (2) Nacional Peñarol Details The 20 teams were divided into 5 groups of 4 teams. Each team plays the other teams in the group twice. The top team from each group qualified for the quarter-finals along with the best 3 runners up. From the quarter finals to the final, two legs were played in each round. In the result of a draw, the match was decided by a penalty shoot out. Group stage Group A Group B Group C Group D Group E Ranking of second place teams The three best second-place teams from the five groups advanced to the quarterfinals along with the five group winners. Bracket Quarter-finals First leg Second leg Flamengo won 4–0 on aggregate. Corinthians won 3–2 on aggregate. San Lorenzo won 6–3 on aggregate. Gremio won 2–0 on aggregate. Semi-finals First leg Second leg San Lorenzo won 5–3 on aggregate. 2-2 on aggregate, Flamengo won 4-2 on penalties Final First leg Second leg Originally scheduled for Dec 19 but postponed to January 24, 2002 due to social unrest in Argentina 1-1 on aggregate, San Lorenzo won 4–3 on penalties References Copa Mercosur 3