Apr 29 (OPTA) - Summaries for the Superliga on Sunday (start times are ART) Gimnasia La Plata postponed Boca Juniors ................................................................. Patronato (0) 0 Yellow card: Arciero 45, Balboa 46 Subs used: Guiffrey 12 (Garrido), Comas 46 (Gil Romero), Matías Quiroga 79 (Balboa) San Lorenzo (0) 0 Yellow card: Mercier 55, Díaz 62, Senesi 89 Subs used: Castro 63 (Barrios), Conechny 72 (Gudiño), Angeleri 81 (Botta) Referee: Héctor Paletta ................................................................. Belgrano (1) 1 Scorers: C. Lema 45 Yellow card: Lema 21 Subs used: Lugo 70 (Guevgeozián), Santiago Martínez 75 (Ortiz), Ramis 82 (Sequeira) Colón (0) 0 Yellow card: Toledo 21, Conti 24, Escobar 80, Chancalay 94 Subs used: Bernardi 58 (González), Sandoval 72 (Guanca), Ruiz 81 (Ortíz) Referee: Ignacio Lupani ................................................................. Racing Club postponed Arsenal ................................................................. Monday, April 30 fixtures (ART/GMT) Unión Santa Fe v Talleres Córdoba (1900/2200) Olimpo v Tigre (2115/0015) Friday, May 4 fixtures (ART/GMT) San Martín San Juan v Vélez Sarsfield (1900/2200) San Lorenzo v Belgrano (2115/0015)