The 49ers have had a cornerback problem for most of this season, but a COVID-19 issue ahead of their Week 18 matchup against the Rams has ratcheted up that problem substantially.
Cornerbacks K’Waun Williams, Dontae Johnson, Ambry Thomas and Deommodore Lenoir were all placed on the Reserve/COVID-19 list ahead of Week 18, leaving San Francisco with one healthy CB on their active roster as of Thursday. That healthy CB is Josh Norman who was benched following a pass interference penalty against the Texans in Week 17.
Emmanuel Moseley is still on injured reserve with an ankle injury, but he did have his practice window opened to start the week of practice leading up to the Rams game. His activation for Sunday isn’t guaranteed though.
So what happens if the 49ers don’t get Moseley back and none of their CBs clear COVID protocols? They’ll dip into their practice squad roster where these three cornerbacks reside: