San Francisco 49ers defensive end Arik Armstead is reportedly expected to miss at least a month of action after suffering a broken hand in Sunday's loss to the Washington Redskins at FedExField.
On Tuesday, Ian Rapoport of the NFL Network noted Armstead "likely needs surgery" after undergoing an initial round of testing. The procedure would sideline him for four to six weeks.
The third-year defensive lineman appeared in all 16 games during his rookie season, but he was bothered by injuries in 2016. Armstead was limited to eight total appearances last year after due to a shoulder injury.