Soccer-Libertadores Cup quarter-final summaries

May 20 (Infostrada Sports) - Summaries from the Libertadores Cup Quarter-final matches on Thursday Thursday, May 19 Atletico Nacional 3 Macnelly Torres 45+2, Alejandro Guerra 50, Orlando Berrio 90+5 Red Card: Orlando Berrio 90+7 Rosario Central 1 Marco Ruben 8pen Red Card: Esteban Rodrigo Burgos 90, Damian Musto 90+7, Giovani Lo Celso 90+10 Halftime: 1-1; - - - Boca Juniors 1 Cristian Pavon 72 Red Card: Cristian Pavon 72 Nacional M. 1 Cata Diaz 20og Halftime: 0-1; Penalty Shootout: 4-3 - - - Wednesday, May 18 Atletico Mineiro 2 Juan Cazares 7, Carlos Carvalho 12 Red Card: Leandro Donizete 90+4 Sao Paulo 1 Maicon 15 Halftime: 2-1;Attendance: 21,000 - - - Tuesday, May 17 Independiente del Valle 2 Jose Angulo 42,54 UNAM 1 Fidel Martinez 73 Halftime: 1-0;Attendance: 35,000 - - -