Nathan Broek | Sports Editor Boyden-Hull/Rock Valley 0-0-0-0-0-0-0 0 Sergeant Bluff-Luton 0-4-0-4-0-0-X 8 STORM LAKE- Boyden-Hull/Rock Valley committed five errors and walked seven Sergeant Bluff-Luton batters in the Class 3A District 2 tournament final Monday, July 16, and those free bases came back to haunt the Nighthawks in an 8-0 defeat….