Maple Grove scraped out a 1-0 win over Centennial on Tuesday evening, improving to 3-0-1. The Cougars are 1-2. The only goal came with seven seconds left in the first period, delivered by Stella Retrum. Cougar goalie Anna Gilgosch stopped 21 of 22 shots and Maple Grove’s Brook Cassibo foiled all 20 by the Cougars. On power plays, Centennial was 0-for-5 and the Crimson 0-for-2.