Despite crowing from rival fans that Michigan football would have a mass exodus enter the transfer portal, that hasn’t been the case. In fact, no anticipated starter ended up leaving Ann Arbor for greener pastures. The closest was safety Keon Sabb, who departed for Alabama, but likely would have been a starter with Rod Moore tearing his ACL during spring ball. That’s what makes this particular instance beyond surprising. Expected to be the starter opposite Will Johnson at cornerback, DJ Waller — a former three-star from Ohio — who has high upside and has been groomed for this role has...