The right tackle battle was between Jalen Mayfield and Andrew Stueber but it looks like the job will be decided by default as Stuber suffered a knee injury and will miss part of the season:
. @UMichFootball injury update – "Andrew Stueber suffered a leg injury in practice and is out indefinitely." —
Dave Ablauf, Assoc. AD/Football Communications
— Sam Webb (@SamWebb77) August 15, 2019
The expected starting OL now is Jon Runyan, Ben Bredeson, Cesar Ruiz, Michael Onwenu and Jalen Mayfield.