If Michigan football is going to take a step forward in the first season under head coach Kyle Whittingham, the offensive line will need to be better than it was in 2025. Andrew Sprague, Jake Guarnera, and Blake Frazier all started the majority of the season on the offensive line for the Wolverines in 2025 as redshirt freshmen. Michigan O-line how two starters, fierce battle still goingGuarnera is going to be the starting center. The same can be said about Sprague, the 6-foot-8 offensive tackle who, along with Guarnera, entered the transfer portal this offseason, before ultimately returning. #Michigan OL coach Jim Harding says OL Jake Guarnera has become a leader in the room and likely be a starter for the first game.