The knockout stages of the 2011 Copa Santander Libertadores de América consisted of four stages: Round of 16 (first legs: April 26–28; second legs: May 3–5) Quarterfinals (first legs: May 11–12; second legs: May 18–19) Semifinals (first legs: May 25–26; second legs: June 1–2) Finals (first leg: June 15; second leg: June 22)

Format The group winners and runners-up of the second stage qualified for the knockout stages. The sixteen teams played a single-elimination tournament. In each stage, teams played in two-legged ties on a home-away basis, with the higher-seeded team playing the second leg at home. Each team earned 3 points for a win, 1 point for a draw, and 0 points for a loss. The following criteria were used for breaking ties on points, except for the final:Copa Santander Libertadores de América 2011 Reglamento Goal difference Away goals Penalty shootout (no extra time is played) For the final, the first tiebreaker was goal difference. If tied on goal difference, the away goals rule would not be applied, and 30 minutes of extra time would be played. If still tied after extra time, the title would be decided by penalty shootout.

If two teams from the same association reach the semifinals, they would be forced to play each other.

Qualified teams GroupWinnersRunners-up1 Libertad Once Caldas2 Junior Grêmio3 América Fluminense4 Universidad Católica Vélez Sársfield5 Cerro Porteño Santos6 Internacional Chiapas7 Cruzeiro Estudiantes8 LDU Quito Peñarol

Seeding The 16 qualified teams were seeded in the knockout stages according to their results in the second stage, with the group winners seeded 1–8, and the group runners-up seeded 9–16. The teams were ranked by:

Higher position in group Higher number of points (Pts); Better goal difference (GD); Higher number of goals scored (GF); Higher number of away goals scored (AG); Drawing of lots.

+Teams qualified as a group winnerSeedTeam 1 Cruzeiro 16 +19 20 5 2 Libertad 14 +8 13 4 3 Internacional 13 +11 14 5 4 Junior 13 +2 9 4 5 Cerro Porteño 11 +5 13 6 6 Universidad Católica 11 +2 11 8 7 LDU Quito 10 +8 12 2 8 América 10 +1 8 3+Teams qualified as a group runner-upSeedTeam 9 Santos 11 +3 11 4 10 Vélez Sársfield 10 +5 12 4 11 Grêmio 10 +3 9 2 12 Estudiantes 10 −2 9 3 13 Chiapas 9 −2 6 1 14 Peñarol 9 −5 6 3 15 Fluminense 8 0 9 4 16 Once Caldas 7 −1 7 5

Bracket In each tie, the higher-seeded team played the second leg at home.

Round of 16 Team 1 played the second leg at home.

TeamsScoresTie-breakersTeam 1Team 21st leg2nd legCruzeiro 3:3 Once Caldas2–10–2−1:+1——Libertad 3:3 Fluminense1–33–0 +1:−1——Internacional 1:4 Peñarol1–11–2———Junior 2:2 Chiapas1–13–30:01:3—Cerro Porteño 2:2 Estudiantes0–00–00:00:05–3Universidad Católica 6:0 Grêmio2–11–0———LDU Quito 0:6 Vélez Sársfield0–30–2———América 1:4 Santos0–10–0———

Match A

Tied on points 3–3, Once Caldas won on goal difference.

Match B

Note: The original kickoff time was 21:50, but the match was delayed due to floodlight failure.Fluminense pisa fuerte en casa (3–1)

Tied on points 3–3, Libertad won on goal difference.

Match C

Peñarol won on points 4–1.

Match D

Tied on points 2–2, Jaguares won on away goals.

Match E

Tied on points 2–2, Cerro Porteño won on penalties.

Match F

Universidad Católica won on points 6–0.

Match G

Vélez Sársfield won on points 6–0.

Match H

Santos won on points 4–1.

Quarterfinals Team 1 played the second leg at home.

TeamsScoresTie-breakersTeam 1Team 21st leg2nd legSantos 4:1 Once Caldas1–01–1———Libertad 0:6 Vélez Sársfield0–32–4———Universidad Católica 3:3 Peñarol0–22–1−1:+1——Cerro Porteño 4:1 Chiapas1–11–0———

Match S1

Santos won on points 4–1.

Match S2

Note: The match was moved from Estadio José Amalfitani as the home stadium of Vélez Sársfield was closed after fans fired volleys of flares during their Clausura match against Banfield.Estadio del partido Vélez Sarsfield – Libertad

Vélez Sársfield won on points 6–0.

Match S3

Tied on points 3–3, Peñarol won on goal difference.

Match S4

Cerro Porteño won on points 4–1.

Semifinals Team 1 played the second leg at home.

TeamsScoresTie-breakersTeam 1Team 21st leg2nd legCerro Porteño 1:4 Santos0–13–3———Vélez Sársfield 3:3 Peñarol0–12–10:00:1—

Match F1

Santos won on points 4–1.

Match F2

Tied on points 3–3, Peñarol won on away goals.

Finals

The Finals were played over two legs, with the higher-seeded team playing the second leg at home. If the teams were tied on points and goal difference at the end of regulation in the second leg, the away goals rule would not be applied and 30 minutes of extra time would be played. If still tied after extra time, the title would be decided by penalty shootout.

Santos won on points 4–1.

References

External links Official webpage