Lenzelle Smith Jr., who was averaging 5.2 points a game, more than doubled his career high with 28 points to lead No. 5 Ohio State to a surprisingly easy 80-63 victory over seventh-ranked Indiana Sunday. Indiana defeated Ohio State, then ranked No. 2, on Dec. 31 in Bloomington. Jared Sullinger added 16 points for the Buckeyes (16-3, 4-2 Big Ten), who lost at Illinois Tuesday. Several players questioned their teammates' commitment and effort afterward. Cody Zeller had 16 points for Indiana (15-3, 3-3), which lost at home Wednesday to unranked Minnesota. No. 8 Duke 73, Clemson 66: Andre Dawkins scored 24 points and made five 3-pointers to help No. 8 Duke (15-2, 3-0 Atlantic Coast Conference) win at Clemson (9-8, 1-2). The Tigers cut a 13-point lead to 68-64 in the final minute on two 3-pointers by Andre Young, but Dawkins made three foul shots down the stretch as the Blue Devils beat Clemson for the 26th time in the last 28 meetings. No. 23 Creighton 90, S. Illinois 71: Sophomore star Doug McDermott scored 25 points and went over 1,000 for his career, and No. 23 Creighton defeated Southern Illinois. The Bluejays (16-2, 6-1) have won six straight since they opened Missouri Valley Conference play with a home loss to Missouri State. No. 11 Georgetown 69, St. John's 49: Hollis Thompson scored all of his 20 points in the second half and No. 11 Georgetown snapped a two-game losing streak with a victory over St. John's at Madison Square Garden. Iona 74, Loyola (MD) 63: Lamont Jones scored 25 points and Mike Glover had 20 points and 15 rebounds as Iona (14-4, 6-1) won at home, beating the Greyhonds (12-5, 5-2) in a game between the Metro Atlantic Athletic Conference's co-leaders.