2011 JUNIOR SEASON: Did not see action awarded second varsity letter named Academic All-Big Ten.
2010 SOPHOMORE SEASON: Appeared in seven games before suffering a season-ending injury, making one start at defensive tackle finished the season with three tackles (one solo) made his first career start at Michigan State (11/6) earned first varsity letter.
2009 FRESHMAN SEASON: Did not see game action.
2008: Red-shirted walk-on.
HIGH SCHOOL: Prepped at Hartford Union High School, where he helped lead his team to a 30-6 record from his sophomore to senior seasons two-time All-Wisconsin Little Ten Conference honoree two-time all-county, all-area and all-region selection recorded 70 tackles, five sacks and two forced fumbles as a junior tallied 75 tackles and three sacks during his senior season also a three-time all-conference performer in track and field.
PERSONAL: Son of Perry and Barbara Hahn born November 27, 1989 child psychology major brother Adam played defensive tackle for Northwestern.