Marshfield clinched a tie for the 4A District 4 League championship with Marist Catholic after the Lady Pirates swept their Bay Area Rivals North Bend 3-0 Tuesday night. Marist Catholic ended the league season with a 3-0 sweep at Cottage Grove. The OSAA Power Rankings will freeze Thursday night, 10 p.m., setting up the matchups for the post season playoffs. Marshfield (7-1, 23-3) is ranked No. 1, and Marist Catholic (7-1, 19-2) is ranked No. 2. North Bend (4-4, 14-6) finished third in league and ranked No. 5. Cottage Grove (2-6, 8-11) is fourth and ranked No. 12 and Junction City (0-8, 6-16) is ranked No. 22.