In this week's "Seven from 77," which begins at the 6:15 mark, Jon breaks down each unit of the defense at this stage of spring practice. Then, Jon welcomes new Linebackers Coach George Helow to discuss his first few weeks in Ann Arbor (19:50), the early stages of establishing the defense's new identity (24:30), how he developed as a coach during his previous stops (30:20), and his close relationship with Defensive Coordinator Mike Macdonald (37:25).