The top five spots in this week’s Associated Press Top 25 poll remain unchanged, with Auburn still the unanimous No. 1 selection, while St. John’s and Memphis made the biggest moves forward after each climbed five spots.

Auburn (18-1) held onto the top spot after it escaped with a 53-51 victory over Tennessee on Saturday. Duke (17-2), Iowa State (17-2), Alabama (17-3) and Florida (18-2) round out the top five.

With its defeat, Tennessee (17-3) fell two spots to No. 8, while Houston (16-3) and Michigan State (17-2) each moved up one spot to Nos. 6 and 7, respectively. No. 9 Marquette (17-3) and No. 10 Purdue (16-5) each moved up one spot.

St. John’s (17-3) jumped to the No 15 spot, while Memphis (16-4) climbed to No. 19. Ole Miss (15-5) fell seven spots to No. 23, while two-time defending champion UConn (14-6) dropped six spots to No. 25 after a 77-72 loss to unranked Xavier on Saturday.

No. 24 Vanderbilt (16-4) entered the Top 25 for the first time since Dec. 7, 2015.

The complete Top 25:

1. Auburn (18-1)

2. Duke (17-2)

3. Iowa State (17-2)

4. Alabama (17-3)

5. Florida (18-2)

6. Houston (16-3)

7. Michigan State (17-2)

8. Tennessee (17-3)

9. Marquette (17-3)

10. Purdue (16-5)

11. Kansas (14-5)

12. Kentucky (14-5)

13. Texas A&M (15-5)

14. Mississippi State (16-4)

15. St. John’s (17-3)

16. Oregon (16-4)

17. Wisconsin (16-4)

18. Illinois (14-6)

19. Memphis (16-4)

20. Missouri (16-4)

21. Louisville (15-5)

22. Texas Tech (15-4)

23. Ole Miss (15-5)

24. Vanderbilt (16-4)

25. UConn (14-6)