49ers-Cardinals Injury Updates: Demetrius Flannigan-Fowles ruled out

The San Francisco 49ers are playing the Arizona Cardinals at Levi's Stadium in Santa Clara, California. The team entered the game without several players, including guard Aaron Banks and linebacker Dre Greenlaw, due to injuries. Both were among San Francisco's seven inactive players.

Below are the 49ers-related in-game injury updates.

LB Demetrius Flannigan-Fowles (neck, out)

Demetrius Flannigan-Fowles was in the blue medical tent before exiting for the locker room in the first quarter. The 49ers announced that the linebacker is "questionable" to return due to a neck injury.

Update: San Francisco later announced that Flannigan-Fowles has been ruled out.