At Stacyville, Nolan Altvater recorded a double-double with 21 points and 12 rebounds to power the Warriors of Dyer Brook past the Cougars.
Jackson Mathers and Cameron Landry each added 12 points for the winners.
Wyatt Morse paced the Cougars with 19 points while Gavin Russell added 12 and TJ Young netted nine. Morse and Young each hit three 3-pointers.
Katahdin 15 23 42 50
SACS 15 29 46 67