Early runs stand up as Cardinals edge Pirates

Tommy Edman's RBI single in the fourth inning proved the difference Saturday in the visiting St. Louis Cardinals' 5-4 win over the Pittsburgh Pirates.

Paul Goldschmidt was 4-for-5 with a two-run double and Edmundo Sosa added an RBI single for the Cardinals, who have won two straight.

St. Louis starter Matthew Liberatore, 22, gave up four runs and seven hits in 4 2/3 innings, with three strikeouts and two walks in his ma