The Polar Bears will host the 37th Annual ONU Invitational on Saturday at the ONU Sports Center Fieldhouse ... 10 schools are expected to join ONU in the tournament, which will be a flighted, double-elimination event with the standard 10 NCAA weight classes ... Ohio Northern fell in its Ohio Athletic Conference opener 23-9 to No. 9-ranked Baldwin Wallace on Tuesday night at the ONU Sports Center ... The Polar Bears got decisions over ranked opponents from senior Gavin Nelson and sophomore Nate Barcaskey and were highly competitive in all 10 bouts against the nationally-ranked Yellow Jackets ... Thus far this season, Barcaskey and sophomore Seth Transue lead ONU with seven victories each ... Barcaskey is 7-2 and Transue is 7-4 ... Freshman John Shirkeyis third with a 6-1 record.