The fields are all set for this year’s OSAA 3A Basketball Tournament in the Bay Area Thursday, Friday and Saturday. The boy’s teams will open at Marshfield High School Thursday: Santiam Christian vs. De La Salle North Catholic 1:30 p.m.; Colton vs. Dayton 3:15 p.m.; St. Mary’s Medford vs. Blanchet Catholic 6:30 p.m.; Portland Adventist vs. Amity 8:15 p.m. The girl’s teams will open at North Bend. Umatilla vs. Dayton 1:30 p.m.; Portland Christian vs. Coquille 3:15 p.m.; Amity vs. Portland Adventist Academy 6:30 p.m.; Santiam Christian vs. Salem Academy 8:15 p.m. Semi-finals and finals will all take place at MHS Friday and Saturday.