According to Rivals, high school senior Adam Cox will walk-on to the Iowa football team. Cox played high school ball at Stillman Valley in Illinois. Cox rushed for over 1,000 yards and 12 touchdowns as a junior. As a senior he totaled over 1500 yards and a whopping 36 touchdowns. A 200 yard three touchdown performance earned him Athlete of the Week honors.
Cox is listed on Berecruited.com 6'0" 205 pounds. In addition to playing running back at Stillman he also played linebacker. A quick YouTube search resulted in these highlight videos: