49ers LB Fred Warner questionable for Week 5 against Cardinals due to Week 4 ankle injury.

49ers linebacker Fred Warner is questionable for Week 5 against the Arizona Cardinals due to an ankle injury sustained in Week 4. Despite limited participation in practice, coach Kyle Shanahan remains optimistic about his recovery. If Warner cannot play, the team has options including De'Vondre Campbell and rookie Tatum Bethune. Star tight end George Kittle is also questionable, along with three other players, while two have been ruled out.