The Hawkeyes finished 21–12 with a 7–9 conference record in the 2004–05 regular season. They won their first two Big Ten Tournament games against Purdue and Michigan State before losing the third game to Wisconsin, 59–56. They earned an at-large invitation to the 2005 NCAA Tournament as a #10 seed, where they lost 76–64 to Cincinnati in the first round. During the season, leading scorer Pierre Pierce was dismissed from the team amid charges of sexual abuse; Pierce ultimately served one year in prison.