Last season, Ostrow finished with 27 points (12g-15a) in just 46 games for the Eagles, with eight of those goals coming in the month of March. Despite missing nearly two months of the season after suffering a knee injury in mid-December, Ostrow would go on to finish third on the team in playoff scoring, with three goals and six points, finishing with a +6 rating in six postseason contests.
Ostrow spent the 2011-12 season in the ECHL with the Chicago Express, recording 31 points (11g-20a) in 59 games. He also saw time in the American Hockey League with the Rochester Americans, his second stint in the AHL after leaving DU following the 2010-11 season.
In four seasons with the Pioneers, the 5-foot-11-inch forward tallied 105 points (55g-50a) in 158 games and was named an assistant captain and captain in his final two seasons. Ostrow was also named Team MVP in his senior season.