THIS WEEK in the BIG SKY

Portland State (8-2, 6-1) at Northern Arizona (6-3, 4-2)

Portland State, ranked No. 13 in Division I-AA, can clinch a share of its first Big Sky title with a victory. Portland State defeated Montana this season, so the Vikings hold the tiebreaker. The Vikings’ offense continues to churn behind quarterback Jimmy Blanchard, who has thrown an NCAA-record 310 passes without throwing an interception. Running back Charles Dunn injured his shoulder last week against Cal State Northridge but still managed to rush for 100 yards in the second half. Northern Arizona is ranked No. 20. Quarterback Travis Brown passed for 307 yards and two touchdowns last week against Weber State. The Lumberjacks scored 20 consecutive points against Portland State last season to post a 23-13 victory.

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Weber State (3-7, 2-5) at Eastern Washington (6-4, 5-2)

Eastern Washington has an outside chance to finish in a three-way tie for first. The Eagles, who must beat Weber State, need losses by Portland State and Montana. Last year against Weber State, the lead changed hands seven times before Weber State won, 27-13. Eastern Washington holds a 4-3 series edge at Cheney, Wash. Jovan Griffith of Eastern Washington rushed for 150 yards and three touchdowns last week against Montana State.

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Montana State (3-6, 1-5) at Idaho State (2-8, 0-7)

Two teams at the bottom of the standings play for pride in the 66th meeting between the schools. Montana State won, 66-35, last year at Bozeman. The Bobcats have won four in a row over Idaho State. The Bengals have allowed 416 points, most in the Big Sky.

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Nonconference

Idaho (6-3) at Montana (8-1)

Montana, 6-1 in conference games, plays a second consecutive nonconference game before finishing the season against Montana State. The defending champion Grizzlies are ranked No. 4 in I-AA. Montana has won four of the last five games against Idaho.

Cal State Sacramento is idle.