Last time Buckeyes were No. 1, Greg Oden roamed the paint.
Records through Sunday (last week's ranking)
1. Ohio State 18-0 (2): The Buckeyes held off Penn State to take over the top spot from Duke.
2. Kansas 17-0 (3): Two of the Jayhawks' last three opponents held them to fewer than 70 points.
3. Syracuse 18-0 (4): A Big East showdown looms Saturday when 'Nova comes to the Carrier Dome.
4. Duke 16-1 (1): Florida State put that undefeated talk to rest.
5. Pittsburgh 17-1 (5): The Panthers get a break on Saturday when they play at DePaul.
6. Villanova 16-1 (6): Corey Fisher has become one of the Big East's most dangerous guards.
7. Connecticut 14-2 (8): Kemba Walker thrashed DePaul with 31 points. Ouch.
8. San Diego State 19-0 (9): Yep, the Aztecs still have their foot on the gas.
9. Kentucky 14-3 (11): Terrence Jones' 35 points set the school's freshman scoring record.
10. BYU 17-1 (14): The Cougars are riding a seven-game winning streak.
11. Texas A&M 16-1 (15): Get to know one of the country's most underrated teams.
12. Texas 14-3 (12): The Longhorns host the Aggies on Wednesday.
13. Purdue 15-3 (10): The Boilermakers need some Tylenol after a rough week with two losses.
14. Missouri 15-3 (13): The Tigers lost in OT to A&M on Saturday.
15. Louisville 14-3 (18): Cards needed a momentous comeback to beat Marquette — but they got it.
16. Notre Dame 14-4 (7): The Irish take to the road like Frogger.
17. Wisconsin 13-4 (17): The Badgers' domination at the Kohl Center continues.
18. Michigan State 12-5 (25): If they can pull off wins at Illinois and Purdue, the Spartans will look like Final Four contenders again.
19. Minnesota 14-4 (NR): The Gophers jumped back into the rankings after a quality win against Purdue.
20. Illinois 13-5 (16): That 3-0 conference start seems long ago after two straight losses.
21. West Virginia 12-4 (NR): The Mountaineers came back from the dead with wins against Georgetown and Purdue.
22. Kansas State 13-5 (23): Another blow for the Wildcats: Junior center Freddy Asprilla left the team.
23. Washington 13-4 (22): The Huskies went 1-1 in their Bay Area trip, losing to Stanford but beating Cal.
24. Georgetown 13-5 (21): It would take a team of detectives to figure out the up-and-down Hoyas.
25. Saint Mary's 16-2 (NR): The Gaels have been rolling with 10 straight wins since losses against BYU and San Diego State.