Michigan remains in the mix for a slew of top prospects as it looks to flesh out its 2025 recruiting class. With the dead period on the horizon, the Wolverines are hosting one more big round of visits, as plenty of blue-chip recruits flocked to Ann Arbor this week. That included Savannah (Ga.) IMG Academy four-star running back Donovan Johnson, who got his first look at U-M on Wednesday. “It was great,” Johnson told The Wolverine’s EJ Holland of the visit. “I got down there and talked to the whole coaching staff. I got a chance to talk to Coach (Sherrone) Moore. I had a really long conversatio…