Packers.com presents 'Prospect Primer,' a video look at an assortment of draft-eligible players who attended the scouting combine in Indianapolis. Ohio State's John Simon led the Big Ten in sacks last season with nine and was named the conference's defensive player of the year. Considered the heart and soul of Ohio State's defense as a two-time captain, Simon sustained a shoulder injury during Senior Bowl practices that required surgery and forced him to delay his workouts for scouts.