The Michigan Wolverines enter the 2024 season with question marks on defense in terms of replacing the top-end depth from last year’s squad. Chief among the concerns are backfilling the production lost from Rod Moore‘s injury and Keon Sabb‘s transfer to Alabama. Michigan attacked the transfer portal post-spring ball by adding four defensive backs heading into the season, two of them coming at safety in Michigan State’s Jaden Mangham and Tennessee/Louisville transfer Wesley Walker. Last season, Mangham was an honorable mention All-Big Ten performer at Michigan State and he plays like he is shot…