Nash, a McDonald’s All-American, scored 13 points during a 17-4 burst that sent the Cowboys (10-10, 3-4) into the lead in the final 4 minutes and the Tigers (18-2, 5-2 Big 12) didn’t have a response.
Ricardo Ratliffe had 25 points to lead Missouri.
NO. 4 OHIO STATE 78, PENN STATE 54
In Columbus, Ohio, Jared Sullinger had 20 points and 13 rebounds, and Ohio State (18-3, 6-2 Big Ten) took advantage of Penn State’s slow start to roll to a victory.
The Nittany Lions (10-12, 2-7) paid tribute to Joe Paterno by wearing black bands on their jerseys. Paterno died Sunday.
NO. 8 DUKE 74, MARYLAND 61
In College Park, Md., Mason Plumlee scored 23 points, and Duke averted its first losing streak of the season.
Seeking to rebound from a rare home loss, the Blue Devils (17-3, 5-1 Atlantic Coast Conference) trailed 47-46 with 12:54 left but outscored Maryland 28-14 the rest of the way.
Terrell Stoglin scored 16 for the Terrapins (12-7, 2-3).
NO. 10 MICHIGAN STATE 68, MINNESOTA 52
In East Lansing, Mich., Draymond Green had 22 points, 14 rebounds and six assists to help Michigan State beat Minnesota (15-6, 3-5 Big Ten) and give coach Tom Izzo his 400th win.
The Spartans (17-4, 6-2) moved into a first-place tie in the conference.
NO. 15 CREIGHTON 77, DRAKE 69
In Des Moines, Iowa, Doug McDermott scored 30 points and Creighton earned its sixth consecutive road win.
Jahenns Manigat added 15 for the Bluejays (19-2, 9-1 MVC), who have the program’s longest road winning streak in 37 years.
NO. 18 MISSISSIPPI STATE 76, LOUISIANA STATE 71
In Starkville, Miss., Arnett Moultrie scored 28 points and grabbed 12 rebounds for his 12th double-double of the season and Mississippi State (17-4, 4-2 Southeastern Conference) beat Louisiana State (12-8, 2-4).
Andre Stringer led the Tigers with 17 points.
NO. 22 KANSAS STATE 69, TEXAS TECH 47
In Lubbock, Texas, Martavious Irving scored 16 points and Rodney McGruder had 13 to lead Kansas State (15-4, 4-3 Big 12) over Texas Tech (7-12, 0-7).
NO. 23 FLORIDA STATE 75, WAKE FOREST 52
In Winston-Salem, N.C., Michael Snaer had 18 points and Florida State (14-6, 5-1 ACC) beat Wake Forest (11-9, 2-4) for its fifth consecutive conference win.
The ACC co-leaders shot nearly 51 percent, led the entire second half and broke the game open with an 18-2 run.
SOUTH CAROLINA 56, ALABAMA 54
In Columbia, Bruce Ellington’s driving basket with 1.4 seconds left lifted South Carolina to its first SEC victory this season.
Ellington dribbled down the lane, split defenders Levi Randolph and JaMychal Green to bank in the game-winner for South Carolina (9-10, 1-4). Malik Cooke had 18 points for the Gamecocks.
Green caught the inbounds pass on Alabama’s final possession, but his turnaround jumper was short. The Crimson Tide (13-7, 2-4) lost their fourth consecutive game.
LOUISVILLE 84, VILLANOVA 74
In Louisville, Ky., Peyton Siva scored 16 points and Louisville (16-5, 4-4) beat Villanova (10-11, 3-6) to return to .500 in the Big East after a rough start to conference play.