CAREER:Interior defensive lineman has played in 15 games during his Irish career, primarily on special teams but also on goal-line defense ... registered one career tackle.
2008 (JUNIOR): Appeared in 12 of Notre Dame's 13 games on the year (did not play at USC)... served as a backup at defensive tackle ... saw significant playing time in goal-line defense situations for the Irish ... logged 11:46 of playing time with 46 special-teams appearances.
2007 (SOPHOMORE):Saw first action in an Irish uniform, appearing in three games (Georgia Tech, Michigan and Navy) ... played as a reserve defensive end and tallied one tackle in 8:11 of playing time including one special-teams appearance ... made his Notre Dame debut vs. Georgia Tech and recorded one assisted tackle.
2006 (FRESHMAN): Did not see game action in rookie season.
HIGH SCHOOL AND PERSONAL DATA: Graduated from DeSmet Jesuit High School in St. Louis, Mo. ... helped DeSmet to 2005 Missouri Class 6A state title with 48-31 win over Hazelwood Central ... caught nine passes for 172 yards and three TDs as senior tight end in `05 ... accounted for 27 tackles (20 solo), seven sacks and two fumble recoveries as defensive lineman ... also played much of `05 season as offensive lineman because of team injury problems ... could play either defensive tackle or tight end for Irish after excelling at tackle on both sides of the line in `05 ... had 27 tackles, nine tackles for loss, seven sacks and two fumble recoveries as junior defensive end on 10-1 team ... only offensive appearance as a junior came in season finale playoff game against Columbia Hickman ... lettered in basketball as sophomore ... born Aug. 15, 1987 ... son of Gregg and Mary Jo Mullen ... high school coach was Pat Mahoney ... enrolled in the College of Arts and Letters and is majoring in sociology.