Marshfield won all four of its matches at its own Marshfield Volleyball Jamboree Thursday at the Pirate Palace, Coos Bay. Marshfield downed North Bend 25-23, beat Sutherlin 26-24, handles Brookings-Harbor 25-12, and won over Coquille 25-14. The Lady Pirates open the 2021 prep season Thursday at home against Brookings-Harbor (5p) and Sutherlin (6:30p). North Bend is scheduled to play at Churchill, west Eugene, Tuesday.