The final four teams were decided on the weekend with the big three clubs in Chile progressing to the semi-finals with Cobreloa as the fourth team whilst both Unión San Felipe and Santiago Wanderers maintained their status in the Primera Division.
After losing the first leg of their quarter-final clash 6-2, it was always going to be a difficult task for La Serena to progress to the semi-finals and when Roberto Gutiérrez opened the scoring in the 26th minute for los albos the tie was all but dead and buried. Dwight Pezzarossi pulled one back eleven minutes later for the visitors but it was all in vain as Gutiérrez and Carlos Muñoz added a second and third goal in the last fifteen minutes of the match to take the tie 9-3 on aggregate. In Saturday’s other quarter final clash a sixth minute goal from Francisco Pizarro was all that was needed for Universidad Católica to progress 4-1 on aggregate past Audax Italiano.
Sunday’s match between Cobreloa and Unión La Calera proved to be the match of the weekend as Cobreloa scored three goals in the thirteen minutes of the match to ensure they would progress to the semi-finals. With ten minutes to go La Calera would have thought they would again cause a major upset in a quarter-final match-up as they lead 3-1 but two goals to Javier Elizondo and another to Diego Barrios saw the home side win the match 4-3 and the and the tie 5-3 on aggregate.
Universidad de Chile made it 33 games without a loss this season after they defeated Unión Española 3-0 in the weekend’s last match. With many players rested for the second leg of the Copa Sudamericana final it was Gabriel Vargas who shone with a brace with goals in the 32nd and 42nd minutes. Not helping los hispanos was the sendings off of Esteban González in the 28th minute and Leonardo Delgado in the 79th minute, although by the time Delgado saw red the match was well and truly over after Diego Rivarola had scored the third goal of the night.
In the promotion playoffs it was the two teams from the Primera Division that prevailed as Santiago Wanderers draw 2-2 with Naval de Talcahuano to win the tie 3-2 on aggregate whilst Unión San Felipe denied Everton a return to the top flight with a 2-0 victory that saw them prevail 2-1 overall.
Primera Division Campeonato de Clausura 2011, quarter finals, second leg
Colo Colo 3-1 La Serena (R. Gutiérrez (CC) 26´ & 77′, D. Pezzarossi (LS) 37′, C. Muñoz (CC) 91′)
A. Italiano 0-1 U. Católica (F. Pizarro (UC) 6′)
Cobreloa 4-3 U. La Calera (P. Vera (CBA) 15′, B. Rodríguez (ULC) 18′, L. Simón (ULC) 28′, C. Suárez (og) (CBA) 57′, J. Elizondo (CBA) 81′ & 93′, D. Barrios (CBA) 90′)
U. de Chile 3-0 U. Española (G. Vargas (UCH) 32′ & 42′, D. Rivarola (UCH) 76′)
Promotion playoffs, second leg