DL took a 1-0 lead at 8:37 of the opening period when Alex Bren scored from Drew Schwan and Jordan Fields.
Wadena-Deer Creek pulled even at 8:29 of the second period on a goal by John Oberg, assisted by Chase Domier.
A Domier goal at 10:56 of the third period gave the Wolverines a 2-1 lead. Pettit also assisted on that goal. At 13:46 the Lakers tied the game on a goal by Beau Boehne. Levi Gross and Jake Green recorded assists on the goal.
Wolverines goalie Josh Dykhoff stopped 24 of the 26 shots he faced and Wadena-Deer Creek managed to put 20 shots on the Laker net.
Wadena-Deer Creek (7-14-1) will host Morris/Benson Area in their final home game of the regular season on Tuesday night.