Oregon football (4-1, 1-1) moved up one spot to No. 18 in the Associated Press Top-25 Poll on Sunday after the Ducks’ defeated Cal in Berkeley on Saturday night.
The Ducks are one of four Pac-12 teams ranked in this week’s AP Poll.
Stanford (4-1, 1-0) moved down from No. 7 to No. 14 following a loss at Notre Dame while Washington (4-1, 2-0) moved up one spot to No. 10 after a win over BYU. Colorado cracked the top-25 with a spot at No. 21 after the Buffs got off to a 4-0 start and 1-0 in Pac-12 play.
Washington State received 14 votes, Cal received 10 votes and Arizona State received two as the trio of Pac-12 teams remain on the outside looking in.
Week 6 AP Top-25:
1. Alabama
2. Georgia
3. Ohio State
4. Clemson
5. LSU
6. Notre Dame
7. Oklahoma
8. Auburn
9. West Virginia
10. Washington 
11. Penn State
12. UCF
13. Kentucky
14. Stanford 
15. Michigan
16. Wisconsin
17. Miami (FL)
18. Oregon
19. Texas
20. Michigan State
21. Colorado 
22. Florida
23. North Carolina State
24. Virginia Tech
25. Oklahoma State
Follow Shawn Medow on Twitter @ShawnMedow