Ohio State freshman Justin Ahrens had a career-high 29 points and hit 6 of 10 3-pointers as the Buckeyes rolled to a 90-70 victory over No. 22 Iowa.

Ahrens came into the game against Iowa with 38 points scored in 18 appearances. But he ended up hitting 7 of 11 shots from the floor and all nine of his free throws to help the Buckeyes bag their first win over a ranked opponent in five tries this season.

Ohio State (18-10, 8-9 Big Ten), fighting to improve its NCAA Tournament chances, outscored Iowa 54-37 in the second half.

Joe Wieskamp had 17 points to lead Iowa (21-7, 10-7), and Tyler Cook added 12 points.