The Gators (29-2), who received 50 first-place votes from the 65-member national media panel Monday, open play in the SEC tournament Friday.
The Shockers (34-0) got the other 15 No. 1 votes. They won the Missouri Valley Conference tournament Sunday, the first team to enter the NCAA tournament without a loss since UNLV in 1991.
Villanova moved from sixth to third, while Arizona dropped one spot to fourth. Louisville jumped from 11th to fifth, followed by Virginia and Duke. San Diego State and Michigan tied for eighth and Kansas was 10th.
Kentucky, which has lost three of four, dropped out from 25th, the fourth preseason No. 1 to fall out of the poll in the same season.
Top 25
The top 25 teams in The Associated Press' college basketball poll, with first-place votes in parentheses, records through March 9, total points based on 25 points for a first-place vote through one point for a 25th-place vote and last week's ranking:
Record Pts Prv 1. Florida (50) 29-2 1,610 1 2. Wichita St. (15) 34-0 1,574 2 3. Villanova 28-3 1,454 6 4. Arizona 28-3 1,435 3 5. Louisville 26-5 1,237 11 6. Virginia 25-6 1,186 5 7. Duke 24-7 1,185 4 8. Michigan 23-7 1,143 12 8. San Diego St. 27-3 1,143 10 10. Kansas 23-8 1,087 8 11. Syracuse 27-4 1,055 7 12. Wisconsin 25-6 973 9 13. Cincinnati 26-5 922 15 14. Creighton 24-6 752 13 15. North Carolina 23-8 709 14 16. Iowa St. 23-7 572 16 17. Oklahoma 23-8 472 23 18. Saint Louis 26-5 433 17 19. Memphis 23-8 367 20 20. New Mexico 24-6 344 21 21. UConn 24-7 330 19 22. Michigan St. 23-8 318 22 23. VCU 24-7 205 — 24. Ohio St. 23-8 165 — 25. SMU 23-8 152 18 Others receiving votes: Gonzaga 82, Stephen F. Austin 56, Oregon 39, Texas 31, Harvard 27, Kentucky 19, Baylor 18, UCLA 14, Nebraska 8, Iowa 4, Tennessee 2, George Washington 1, NC Central 1