WESTERVILLE — The Ohio Northern softball team team kicked off the 2018 Ohio Athletic Conference Tournament with an impressive defensive effort and a 2-0 victory over No. 2-seeded Heidelberg on Friday morning before defeating host and No. 1-seed Otterbein 3-2 at the Otterbein Softball Field.

The Polar Bears improve to 28-9 overall, while the Student Princes fall to 25-14 and Otterbein falls to 31-9.