No. 4 Bishop Ryan upset No. 2 Shiloh Christian 54-50 in Minot on Saturday.
The Lions led by four at halftime and were able to maintain that lead to emerge victorious in the top-five matchup.
The girls teams faced off earlier in the day, with the No. 5 Skyhawks earning a 61-51 win.
Elsewhere in Class B boys hoops, Our Redeemer’s won the Velva Tournament by beating the hosts 54-36. In Dickinson, the Trinity Titans won the Roughrider Tournament with a 67-40 win over Bowman County.