Ruiz was a center at Michigan. Remember that McCoy was a guard in college, but COVID messed up the apparent plan to move McCoy back to guard— plus, McCoy was doing so well at center that it seemed better to switch Ruiz to guard. And now, we have Fuaga switching to LT and Penning switching to RT.
Is it any wonder the OL is a mess? Not every o-lineman is a Kelemete.