CM hasn’t been starting since week 1 because CW hadn’t yet become a penalty magnet who was seemingly holding on every play. Coaches also value continuity, which is particularly important on the OL. But the play of CW had become so poor, they just had to pull the trigger.

Again, he doesn’t have the skill set of a Guard per se. He is Guard trapped in a Tackles body. He’s better in space, but he simply can’t anchor against powerful DTs.