No. 4 Duke 76, No. 9 Purdue 60

West Lafayette, Ind. — Kyle Singler had 20 points and 12 rebounds, and No. 4 Duke beat No. 9 Purdue on Tuesday night to remain unbeaten in the ACC/Big Ten Challenge.

Jon Scheyer scored 20 points and Nolan Smith added 12 for the Blue Devils (8-0).

Robbie Hummel had 15 points and eight rebounds and JaJuan Johnson added 12 for the Boilermakers (5-2). E’Twaun Moore, Purdue’s leading scorer, went scoreless in the first half and finished with 10 points.

Duke outrebounded Purdue 49-29 and held the Boilermakers to 37 percent shooting. Purdue was just 2-of-13 on 3-pointers.

Duke improved to 10-0 all-time in the ACC/Big Ten Challenge.

No. 7 Notre Dame 102, South Dakota 76

South Bend, Ind. — Ryan Ayers was 9-of-14 from 3-point range for a career-high 35 points and Kyle McAlarney was 7-of-13 on 3 for 27 points for Notre Dame.

Ayers tied the Notre Dame record with nine 3s at the Joyce Center, one shy of the 10 Donta Wade had for Providence against the Irish in 2000. McAlarney just missed a third straight 30-point game as the Irish (6-1) were 19-of-37 from 3-point range.

No. 17 Villanova 69, Penn 47

Philadelphia — Dante Cunningham had 20 points and 11 rebounds and Corey Stokes scored 14 points for Villanova.

The Wildcats (7-0) have won every game this season by at least 13 points.

No. 18 Memphis 100, Marist 61

Memphis, Tenn. — Shawn Taggart had 21 points, 13 rebounds and six blocks and freshman Tyreke Evans added 24 points for Memphis.

Ohio State 73, No. 21 Miami 68

Coral Gables, Fla. — Ohio State erased a 14-point second-half deficit, mounting the comeback after the ejection of Miami scoring leader Jack McClinton.

Jon Diebler scored 20 points and Evan Turner had 19 for the Buckeyes (4-0), who won for only the second time in seven games in the ACC-Big Ten Challenge.

No. 23 Florida 73, Florida A&M 58

Gainesville, Fla. — Nick Calathes had 16 points, five rebounds and seven assists and Chandler Parsons added 15 points for Florida.

No. 25 Marquette 81, Central Michigan 67

Milwaukee — Wesley Matthews scored 18 points and Marquette bounced back from its first loss of the season.

Back at home, Marquette (6-1) looked little like the team that got outrun by Dayton in the Chicago Invitational three days earlier.