Arik Armstead sent 49ers' Steve Wilks long text with full Steelers game plan – NBC Sports Bay Area & California
49ers minutia minute: Arik Armstead's low snaps, big impact; Jordan Mason shines - The Athletic
Arik Armstead on if 49ers have best defensive line in league, potential of SF winning back-to-back d
49ers news: DeMeco Ryans expects Arik Armstead to make more plays as he plays more defensive tackle - Niners Nation
49ers' Arik Armstead out at least two weeks, possibly headed to I.R.
San Francisco 49ers' Arik Armstead tops all defensive tackles in Pro Bowl fan votes
JA: 49ers defensive end Arik Armstead tackles literacy in his free time - CBS San Francisco
49ers defensive line star Arik Armstead suffers knee injury at practice - CBS San Francisco
Arik Armstead on if 49ers have best defensive line in league, potential of SF winning back-to-back d
Arik Armstead dreams big: Inside the Oregon Ducks lineman's attempt to fulfill big expectations
5 Things to Know: Defensive Lineman Arik Armstead
49ers place Arik Armstead on COVID-19 list
Arik Armstead led all 3-4 defensive ends in PRP in 2016, PFF News & Analysis