Ohio erased a 16-point second-half deficit but dropped a 74-71 decision at Louisville Friday night in its first game of the NABC Classic. The Bobcats (4-2) face Bellarmine tomorrow. Sonny Troutman led Ohio with 22 points as Jerome Tillman and Leon Williams finished with 18 and 16 respectively. Edgar Sosa had 22 to lead the Cardinals (3-2) who face St. Joe's Saturday.