Arik Armstead's Sack of Matthew Stafford Sends the Game into Overtime
Arik Armstead suffers shoulder injury vs. Bucs - Niners Nation
49ers injury report: Arik Armstead still out of practice
49ers' Arik Armstead injures knee in first practice of camp
San Francisco 49ers DT Arik Armstead out a 'few weeks' with knee sprain - ESPN
49ers-Dolphins Injury Report: Christian McCaffrey, Charles Omenihu don't practice; Deebo Samuel, Arik Armstead limited
49ers-Dolphins Injury Report: Arik Armstead plans to play Sunday; No Deebo at practice; McCaffrey, Omenihu return
49ers injury report: Arik Armstead still out of practice
49ers' Arik Armstead finished for the year; shoulder lands him on IR