Prep Basketball: Denfeld & Barnum Boys Pick Up Big Conference Victories, Mesabi East Girls Extend Win Streak to NineThe Minnesota prep basketball regular season continued on Thursday night. DULUTH, Minn.- The Minnesota prep basketball regular season continued on Thursday night. On the boys side, Duluth Denfeld picked up a big Lake Superior conference win, taking down Grand Rapids 63-60. Over in the Polar conference, Barnum earns the 59-54 road victory against Esko. Finally, in girls action, the Mesabi East Giants extend their win streak to nine, defeating Hermantown 56-49.