South Carolina softball suffered a 7-0 defeat against Clemson in Columbia on Tuesday night, as the Gamecocks’ bats failed to heat up and a late Tiger surge sealed the victory. Clemson, which entered the game ranked 17th nationally, started the game off on a strong foot as freshman Julia Knowler sent a ball over the wall for a solor homer the second inning. Shortly after, Aby Vieira responded with an RBI double, advancing the Tigers to a 2-0 lead. Freshman Sage Mardjetko started on the mound for South Carolina but only faced seven batters. In 1.1 innings pitched, Mardjetko gave up three hits an…