AUSTIN — The six seniors on the Kasson-Mantorville baseball team hoped to extend their season another week, but instead they played their final high school game on Wednesday, falling to first-seeded Northfield. The Raiders battled and took down the KoMets 13-8 in the Section 1, Class 3A championship on Wednesday at Riverland Community College in Austin, earning a trip to the state tournament. The KoMets started the game hot, with three batters g…