Aug 30 (OPTA) - Summaries for the CONMEBOLLibertadores on Thursday (start times are EST) Quarter-finals ................................................................. Cerro Porteño (1) 1 Scorers: N. Valdez 8 Yellow card: Valdez 22, Patiño 45, Villasanti 64, Larrivey 69, Espínola 92 Subs used: Fariña 66 (Carrizo), Churín 77 (Larrivey), Díaz 80 (Ó. Ruíz) River Plate (0) 1 Scorers: N. De La Cruz 52 Yellow card: Suárez 71, Zuculini 73 Subs used: Ferreira 55 (Fernández), Pratto 68 (Borré), Scocco 74 (Suárez) Aggregate score: 1-3 Referee: Julio Bascuñán González .................................................................