After trailing 13-10 at halftime, the Lumberjacks (3-3, 1-1 Big Sky) scored 24 points in the third quarter and led 34-20 heading into the fourth. Cookus threw TD passes of 61 and 16 yards to Brandon Porter and 51 yards to Stacy Chukwumezie in the explosive period.
Cookus added a 14-yard scoring pass to Ceejhay French-Love for NAU's final score. In three home games against Northern Colorado, Cookus - a fifth-year senior - passed for 1,040 yards and 15 touchdowns.
Jacob Knipp was 31-of-49 passing for 411 yards with two touchdowns and an interception for the Bears (1-5, 1-1). However, NAU had five sacks, eight tackles for loss and allowed just 32 rushing yards.
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