Carson Schubert | Writer Sheldon 0-0-0-1-0-0-0 1 Boyden-Hull/Rock Valley 0-0-2-1-3-0-X 6 BOYDEN-Lizzy Blum allowed no earned runs in the pitcher’s circle as Boyden-Hull/Rock Valley defeated Sheldon 6-1 in Siouxland Conference softball Wednesday, July 3, in Boyden. Blum pitched all seven innings, allowed six hits, one unearned run, two walks and had eight strikeouts. The defense also helped…