Perham was led by Jensen Beachy (18 points, 8 assists, 4 steals), Josh Jeziorski(13 points, 8 rebounds, 2 assists, 2 steals), Carter Cresap (12 points), Elijah Morris (8points) and Finn Diggins (7 points, 10 rebounds, 6 steals).
Perham held Thief River to 20.5% (9-44) shooting on the night. The Prowlers made only 1-of-17 (6%) from the 3-point line.
Perham will play at Frazee next Thursday.