The Montana Grizzlies dropped to No. 21 in the FCS Top 25 Poll after losing their Big Sky Conference opener to Northern Arizona. They fell to 2-2 on the season as NAU made a jump into the top 25, coming in right behind Montana at No. 22.
The Lumberjacks defeated Montana 41-31 on Saturday, and the victory ended a 14-game streak of defeats at the hands of the Grizzlies.
Meanwhile, Montana State remains No. 2 in the FCS poll after defeating Northern Colorado 41-16 on Saturday. The Bobcats are now 4-0 and sit behind the top-ranked North Dakota State Bison, who have put the anchor down at the No. 1 spot this season. The Bison earned 154 of the 169 first-place votes.
Rounding out the top five are No. 3 Youngstown State, No. 4 Old Dominion and No. 5 James Madison.
The Big Sky placed five teams in the top 25. Eastern Washington is ranked No. 7, and Cal Poly found itself No. 23 in the updated rankings:
| Rank | Team | Prev. |
| 1 | North Dakota State Bison (154) | 1 |
| 2 | Montana State Bobcats (5) | 2 |
| 3 | Youngstown State Penguins (10) | 4 |
| 4 | Old Dominion Monarchs | 5 |
| 5 | James Madison Dukes | 6 |
| 6 | Wofford Terriers | 7 |
| 7 | Eastern Washington Eagles | 9 |
| 8 | Delaware Blue Hens | 12 |
| 9 | Sam Houston State Bearkats | 3 |
| 10 | Georgia Southern Eagles | 11 |
| 11 | The Citadel Bulldogs | 10 |
| 12 | Towson Tigers | 13 |
| 13 | Illinois State Redbirds | 15 |
| 14 | Northern Iowa Panthers | 8 |
| 15 | Lehigh Mountain Hawks | 16 |
| 16 | Central Arkansas Bears | 25 |
| 17 | Appalachian State Mountaineers | 17 |
| 18 | Stony Brook Seawolves | 20 |
| 19 | Eastern Kentucky Colonels | 21 |
| 20 | New Hampshire Wildcats | 18 |
| 21 | Montana Grizzlies | 14 |
| 22 | Northern Arizona Lumberjacks | NR |
| 23 | Cal Poly Mustangs | NR |
| 24 | McNeese State Cowboys | 19 |
| 25 | South Dakota State Jackrabbits | NR |
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