SANTA CLARA -– Rookie safety Jaquiski Tartt did not practice Thursday due to a knee condition that limited during practice earlier in the week.
Tartt, defensive lineman Quinton Dial (back) and linebacker Michael Wilhoite (ankle) did not practice on Thursday. Wilhoite is expected to miss his third consecutive game to finish the season. The 49ers wrap up the season with a game Sunday against the St. Louis Rams at Levi's Stadium.
Tartt has taken over as the 49ers’ starter at strong safety since Antoine Bethea’s season-ending injury. Dial has started all 15 games this season.
Offensive lineman Marcus Martin saw limited practice due to a concussion he sustained Dec.