The 49ers brought in Yeldon for a workout Monday, Matt Barrows of The Athletic reports.

Coach Sean McDermott said Friday that Yeldon will work as Devin Singletary's backup in Saturday's AFC divisional-round game against the Ravens, Nick Wojton of USA Today reports.

Yeldon (coach's decision) is inactive for Saturday's wild-card matchup against Indianapolis.

Yeldon (illness) has been activated from the reserve/COVID-19 list.

Yeldon was placed on the reserve/COVID-19 list Sunday after testing positive for the virus, Adam Schefter of ESPN reports.

Yeldon (coach's decision) is inactive for Sunday's game at Arizona.

Yeldon (back) was a full participant during Wednesday's practice.

Yeldon (back) has been ruled out for Sunday's game against the Seahawks.

Yeldon missed Wednesday's practice due to a back injury.

Yeldon is inactive for Sunday's game at the Jets.