WEST LAFAYETTE, Ind. — Kyle Singler had 20 points and 12 rebounds, and No. 4 Duke beat No. 9 Purdue 76-60 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).

No. 7 Notre Dame 102, South Dakota 76

In 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 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

In 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.

Harrison Gaines led Penn (1-5) with 14 points.

Cunningham made his first four shots from the field and the Wildcats took a 22-9 lead.

Scottie Reynolds opened the second half with a 3 and Corey Fisher's steal led to Cunningham's baseline jumper for a 41-24 lead.

Stokes quickly hit Villanova's sixth 3-pointer for a 20-point lead.

No. 18 Memphis 100, Marist 61

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

Antonio Anderson scored 12 points and Roburt Sallie finished with 11 for Memphis (5-1). Evans was 10 of 13 from the field.

David Devezin led the Red Foxes (2-4) with 11 points.

Ohio State 73, No. 21 Miami 68

In Coral Gables, Fla., the Buckeyes 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. Miami (4-2) fell to 0-3 in the series.

No. 23 Florida 73, Florida A&M 58

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

The Gators (6-1) improved to 10-0 all time against the Rattlers, to 18-0 against teams from the Mid-Eastern Athletic Conference and to 20-2 in December over the last three years.

No. 25 Marquette 81, Central Michigan 67

In 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.