Luka Garza scored 16 points, Tyler Cook had 15 points with eight rebounds and Iowa rolled past No. 16 Ohio State, handing the Buckeyes their third straight loss in Iowa City, Iowa.
Ryan Kriener scored 11 points for the Hawkeyes (14-3, 3-3 Big Ten), who have won three straight after a 0-3 start to league play.
Andre Wesson had 13 points for Ohio State (12-4, 2-3).
Minnesota 88, Rutgers 70: Minnesota's defense sparked its fast-break offense in time for the Gophers to pull away from Rutgers in Minneapolis. Amir Coffey scored 29 points to lead Minnesota.
TOP 25 MEN
No. 1 Duke 80, No. 13 Florida State 78: Cam Reddish hit a three-pointer with 0.8 seconds left to lead Duke on the road. Reddish caught the ball on the wing off the inbounds pass and made a wide open three to ensure Duke (14-1, 3-0 ACC) would win its ninth straight game.
Louisville 83, No. 12 North Carolina 62: Roy Williams suffered his worst home loss in 16 seasons with North Carolina as Louisville stunned the 12th-ranked Tar Heels in Chapel Hill, North Carolina.
No. 3 Tennessee 78, Florida 67: In Gainesville, Florida, Grant Williams scored 20 points, Jordan Bowden added 17 off the bench and Tennessee rallied to beat Florida for its 10th consecutive victory.
No. 4 Virginia 63, Clemson 43: In Clemson, South Carolina, Kyle Guy had 13 points, De'Andre Hunter scored 12 and Virginia improved to 15-0.
No. 7 Kansas 73, Baylor 68: Lagerald Vick scored 18 points with six three-pointers on his 22nd birthday and Kansas held on to beat Baylor in Waco, Texas.
No. 8 Texas Tech 68, Texas 62: Matt Mooney scored 22 points to lead No. 8 Texas Tech over Texas for the Red Raiders' first win in Austin since 1996.
No. 11 Auburn 93, Georgia 78: Jared Harper had 22 points and seven assists while he and No. 11 Auburn rebounded from a rough night to beat Georgia in Auburn, Alabama.
Mississippi 81, No. 14 Mississippi State 77: Blake Hinson scored a career-high 26 points, Breein Tyree added 19 and Mississippi rallied past Mississippi State in Starkville, Mississippi.
No. 15 North Carolina State 86, Pittsburgh 80: In Raleigh, North Carolina, DJ Funderburk scored 12 of his 18 points in the second half and North Carolina State beat Pittsburgh.
No. 17 Houston 79, Wichita State 70: In Houston, Corey Davis had 20 points as Houston rebounded from its first loss.
No. 18 Kentucky 56, Vanderbilt 47: Ashton Hagans and Keldon Johnson each scored 15 points and combined to rally Kentucky at home.
No. 19 Buffalo 88, Miami (Ohio) 64: In Amherst, New York, Jeremy Harris scored 17 points and Buffalo shook off a cold-shooting start to cruise past Miami (Ohio).
Kansas State 58, No. 20 Iowa State 57: Barry Brown hit a layup with four seconds left and Kansas State stunned No. 20 Iowa State, handing the Cyclones their second straight loss, in Ames, Iowa.
No. 21 Marquette 70, Seton Hall 66: Markus Howard scored 26 points, Sacar Anim had 14 and No. 21 Marquette staved off a second-half rally to beat Seton Hall in Milwaukee.
No. 23 Oklahoma 76, No. 25 TCU 74: Kristian Doolittle hit a runner with less than three seconds left, lifting Oklahoma over TCU in Norman, Oklahoma.
DePaul 79, No. 24 St. John's 71: In New York, Femi Olujobi had 27 points and eight rebounds in his New York homecoming and DePaul pulled away from St. John's.
BIG TEN WOMEN
No. 9 Maryland 83, Michigan 69: In College Park, Maryland, Taylor Mikesell scored 17 points for the Terrapins.
Penn State 62, Illinois 48: Alisia Smith had 14 points as Penn State won at home.