Immediately after the Pittsburgh Steelers selected Jack Lambert in the NFL draft, he began showing up at the team’s practice facility to study film—something his coaches had never seen a rookie do. Lambert developed such an intricate knowledge of the defense that his coaches installed him at middle linebacker, where he would have to call the defensive plays and contend with much larger interior linemen. By the end of the season, said fellow linebacker Jack Ham, “I forgot the fact that he was a rookie.”