Volleyball Grass Lake 3, East Jackson 0: The Warriors celebrated senior night with a win over the Trojans. Nadene Hubbard finished with 19 assists and Hanna Alvarez added seven kills for Grass Lake. Napoleon 3, Addison 0: Gracie Tallman led Napoleon with 17 kills, Myla Hasegawa added nine kills, and Kate Fall dished 34 assists. Molly Brown of Addison recorded her 1,500 career kill in the contest. Hanover-Horton 3, Columbia Central 0: The Comets remained undefeated in Cascades Conference play with a home win. Mary Henry led CCHS with 10 kills and Alison Richards recorded 16 assists. Concord 3, Bronson…