Nick Bosa's 49ers contract situation doesn't worry Arik Armstead
49ers' Arik Armstead inactive, 73-game starting streak snapped
49ers place 2015 top pick Arik Armstead on injured reserve
Arik Armstead, fueled by family, has silenced critics as the 49ers
Arik Armstead, 49ers D-Lineman - 49ers Strong Start To the Season
49ers' Arik Armstead has two sacks in win over Packers
Kyle Shanahan provides injury updates on Deebo Samuel, Arik
5 Things to Know: Defensive Lineman Arik Armstead
Arik Armstead: Breaking News, Rumors & Highlights
Arik Armstead explains what makes the 49ers D-line special
49ers' Arik Armstead reveals he suffered a hairline ankle fracture