Slaathaug's points came on 4 field goals, 2 three pointers and 2 of 2 free throws during the game.
Dawson Evenson added 6. Goodhue fell to 0-2 overall while Hayfield improved their record to 21-4.
Player of the game
Hayfield will travel to Mapleton on Friday Feb. 22 at 5:15pm to play Maple River.