BUIES CREEK, N.C. – USC Upstate softball fell in its first Big South conference series against Campbell after two games on Saturday and one final eight inning game late Sunday afternoon. Upstate now sits 25-6 overall on the season and has a 3-3 record in conference play. After more than a three-hour weather delay due to storms in Buies Creek, the two teams were set for a 4:15 p.m. first pitch time. Alyssa Kelly made her 17th start of the season in the circle for the Spartans for game three against the Fighting Camels. The Spartans struck fast and struck…