Fourth-ranked Missoula Big Sky won a tussle with crosstown and similarly ranked foe Missoula Sentinel Friday night, capping a Week 7 that saw two top-five games stay close.

The Eagles edged Sentinel 12-10 in a defensive standoff: Sentinel had 222 total yards, while Big Sky was held to 138. On Thursday, No. 3 Billings West knocked off No. 2 Gallatin, 20-13.

Also on Friday night, top-ranked Kalispell Glacier's defense kept up its strong-arm ways by shutting out Helena.

Key Week 7 matchup: No. 4 Missoula Big Sky 12, No. 5 Missoula Sentinel 10

Cal Marceau's 43-yard field goal with 3:04 left in the game capped the Eagles' comeback and helped them improve to 7-0. Sentinel took a 10-0 lead halftime lead on a short touchdown run from Rudy Hess and a 29-yard field goal by Blaise Olsen. But Big

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