Buckeyes trailed by as many as 30 points; tied for first in Big Ten with Michigan State.
Buckeyes break barrier with assistant coaches for first time with Greg Schiano, Ryan Day.
Former Buckeyes assistant coach begins second stint at school.
Ohio State has highest ranking since January, 2014.
Rankings put Buckeyes as a No. 4 seed, behind two teams they lead in the Big Ten standings.
No. 14 Ohio State hammers Iowa; Purdue falls to Michigan State.
Buckeyes in first place with five Big Ten games to go.
Buckeye standout is 4th player in NCAA history with 3,000 points, 500 assists.
Bates-Diop hits putback with 2.8 seconds left to give Ohio State 64-63 win, hand Purdue first Big Ten loss.
What new coach Chris Holtmann has done with Buckeyes is nothing short of extraordinary.