3:28 PM - Isaac Yiadom (SF) (pelvis) is active for Sunday's contest against the Cardinals, Lindsey Pallares of the 49ers' official site reports.

7:47 PM - Isaac Yiadom (SF) is seen as a strong third corner option by the 49ers, Eric Branch of the San Francisco Chronicle reports.

5:25 PM - Isaac Yiadom (SF) 49ers signed Yiadom on Friday, Jeremy Fowler of ESPN.com reports.