Lakehead earned the season split with Laurier last weekend.
On Saturday night they drew one step closer to making it meaning something.
The Wolves, paced by 14 from Lindsay Druery and a dozen from Tasia McKenna, edged the host McMaster Marauders 60-57 to pull into a third place tie with Laurier in the OUA West Division standings.
The Golden Hawks fell 70-62 to Western, who top the division at 12-2.
The Wolves (10-4) led by one at the half and out-scored McMaster by a pair in the fourth quarter to hang on for the win.
Taylor Chiarot had 15 points, tops for McMaster (3-10).